Question

find the mean proportional between 100 and 144​

Answer 1

Answer:

The mean proportion between 100 and 144 is 120

Step-by-step explanation:

Let the mean proportion between 100 and 144 is x

100 : x : : x: 144

100 / x = x /144

By doing cross multiplication,

x × x = 144 × 100

 $x^{2}$ = 14400

x =$\sqrt{14400}$ =  120