Question

given proportion 16:x::x:25​

Answer 1

Answer:

20 or -20

Step-by-step explanation:

Product of means = Product of extremes

x^2= 16 × 25

x = 4 ×5=20

= -20

Answer 2

16/x=x/25

x*x=16*25

xsquare=400

xroot =400

x=20