Question

Find the mean proportional between 121 and 144

Answer 1

Step-by-step explanation:

Let the mean between 144 and 225 is x

144:x = x:225

⇒ x² = 32400

⇒ x = 180

180 is the mean proportion between 144 and 225

Answer 2

$\huge{ \underline{ \bold{ᴀɴsᴡᴇʀ....{ \heartsuit}}}}$

Let the mean between 144 and 225 is x

144:x = x:225

⇒ x² = 32400

⇒ x = 180

180 is the mean proportion between 144 and 225