directly proportional on vs directly proportional to

The phrase 'directly proportional to' is correct, while 'directly proportional on' is incorrect. In English, we use 'directly proportional to' to indicate a relationship where one quantity increases as another quantity increases in a linear manner.

Last updated: March 15, 2024 • 897 views

This phrase is incorrect in English. The correct preposition to use with 'directly proportional' is 'to'.

"directly proportional on"

The correct phrase is 'directly proportional to', which is used to describe a relationship where one quantity increases as another quantity increases in a linear manner.

Show examples from the web [+]

As long as this is true, the relationship between enzyme concentration and enzyme activity is directly proportional. On a graph that shows reaction rate versus ...
considered directly proportional on the volume of trans- formed montmorillonite ( cation exchange + geochemi- cal transformation), taking into account that it may ...
These are directly proportional on a fixed gear. You don't need both numbers. Cat 2 Track, Cat 3 Road. "If you're new enough [to racing] that ...
Oct 28, 2014 ... Furthermore, porosity of pSi is directly proportional on the supplied anodic current. Varying the supplied current results to porosity variation and ...

Alternatives:

directly proportional to

This phrase is correct and commonly used in English to describe a linear relationship between two quantities.

"directly proportional to"

Use 'directly proportional to' to indicate that one quantity increases as another quantity increases in a linear manner.

Examples:

The speed of a car is directly proportional to the pressure on the accelerator pedal.
The force of gravity is directly proportional to the mass of an object.
The volume of a gas is directly proportional to its temperature.
The number of hours worked is directly proportional to the amount earned.
The brightness of a light source is directly proportional to the power input.

Show examples from the web [+]

Minimizing surface area is directly proportional to technique.
Quality lies and is directly proportional to customers' satisfaction.
The degree of temporal displacement is directly proportional to the number of chroniton particles interacting with the transporter beam.
The prize money is directly proportional to the number of players in a game.
The tolerance margins vary and are in directly proportional to the speed of application.
The rapidity and extent of killing are directly proportional to the drug concentration.
Because a man's index finger is directly proportional to the size of his...
Solidarity grows in a measure directly proportional to generosity.
Pregabalin clearance is directly proportional to creatinine clearance.
This device ensures effective braking action, progressive and directly proportional to the load carried.
The Time-of-Flight of the reflected radar pulse is directly proportional to the distance traveled.
In atomic emission spectroscopy, the intensity of the emitted light is directly proportional to the concentration of atoms.
The fluorescence is directly proportional to the concentration of tryptase in the serum sample. 2012 Thermo Fisher Scientific Inc.
Sometimes success is directly proportional to the dedication toward a project.
The height of the float is directly proportional to the flowrate.
The death rate is directly proportional to the amount of microorganisms present at any given time.
The planet evolution has always been directly proportional to the cultural growth of its inhabitants.
Quality production in linguistic services is directly proportional to the status of professional culture present on the market.
The cylinder's natural frequency is directly proportional to the molecular weight.
The sensor module converts rotary motion into an electrical signal that's directly proportional to the angle rotation.

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directly proportional on vs directly proportional to