Question

Salaries of a,b and are in continued proportion.if tha salaries of a and c is 360 and 490 respectfully find the salary of b

Answer 1

Answer:

a devision b equal to b devision c

so a into c equal to b square

so 360*490= b square

b square

is 360*490=176400

b equal to 176400 root

so b is 420