Question

Find the mean proportion of 3.9 and 4.9.

Answer 1

Answer:

Therefore, 2.5, 3.5 and x are in continuous proportion.

2.5

3.5

=

3.5

x

⟹ 2.5x = 3.5 × 3.5

⟹ x =

3.5×3.5

2.5

⟹ x = 4.9 g