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 Variation, Direct Variation, Directly Proportional, Inverse Variation, Inversely Proportional, RatioExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Proportional." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Proportional.html