k\) is a constant called the constant of proportionality. There will be information in the question that will enable you to calculate the value of \(k\) and set up an equation. The value \(e\) is ...

Rarely, if ever, does the calculation boil down to a simple numerical equation. Military commanders, advised by their lawyers, must apply the principle of proportionality to every strike.

They are inversely proportional. When the proportionality symbol (∝) is replaced with an equals sign (=), the equation is \(x = k y\). The constant value (often written as \(k\)) relates to the ...