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If a:b=3:4 and b:c=2:3, then a:b:c=?
4:2:3
4:3:6
3:4:6
3:4:3
3:4:6
Combining Two Separate Ratios a : b and b : c into a : b : c
a:b=3:4 and b:c=2:3
Equalize the Common Term (b)
In a:b=3:4, b=4. In b:c=2:3, multiply both terms by 2 to make b=4: b:c=(2×2):(3×2)=4:6
b=4 in both ratios
Write Combined Ratio
a:b:c=3:4:6
a:b:c=3:4:6
Option C is correct — 3 : 4 : 6
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