If 
is (directly) proportional to 
, then 
is a constant. The relationship is written 
, which implies
 |
for some constant 
known as the constant of proportionality.
Proportional
See also
Constant of Proportionality, Directly Proportional, Inversely Proportional, RatioExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Proportional." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Proportional.html