Question

show that 7, 21, 6, 18 are in proportion ​

Answer 1

Answer:

Product of extreme terms= product of middle terms

21*6= 7*18

Answer 2

Answer:

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Step-by-step explanation:

• first you have to do ratio of 7 and 21 so they are cutting from 7 both ..
• then, answer is coming 1:3 coz, 7/21 is cutting by 7 ....
• then, take ratio of 6 and 18 they both are cutting form 2.
• now, 3/9 is coming ,, 3 and 9 are divisible by 3 so now 1:3 is coming
• now write this - 7:21=6:18
• so, 7,12,6,18 are in proportion ans.