Question

The three numbers 5,30 and x are in continued proportion. Find the value of x.​

Answer 1

Answer:

Step-by-step explanation:

a:b=b:c

means

a=5, b =30 and c= x

5:30 =30:x

a÷b= b÷c

5÷30=30÷x

b^2 = ac

30^2=5x

900=5x

divinding 5 on bothsides

900÷5= 5x÷5

180 =x

or x=180