Question

Find the mean proportion between $144$ and $225$

Answer 1

Step $1:$ To find the mean proportion between $144$ and $225$

Mean proportion between $a$ and $c$ $=\sqrt{ac}$

Step $2:$ Now multiply $144$ and $225$$,$take square root of the product

Mean between $144$ and $225$ $=\sqrt{144\times 225}$

$=12\times 15$

$=180$

Hence, the mean proportion between $144$ and $225$ is $180$