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Last updated at Nov. 6, 2018 by Teachoo

Example 1 Find the ratio of 3 km to 300 m. To find ratio, we convert both numbers to same units 3 km = 3 Γ 1000 m = 3,000 m 3 km to 300m Ratio = (3 ππ)/(300 π) = (3000 π)/(300 π) = 3000/300 = 30/3 = 10/1 = 10 : 1 β΄ Required ratio is 10 : 1