What is the mean proportional of 48 and 12?

Mean Proportional of a and b is √(a × b)

Let the mean proportion of 48 and 12 be x.

Here, a = 48 and b = 12

⇒ x = √(a × b)

⇒ x = √(48 × 12)

⇒ x = √(576)

⇒ x = 24