Davies Howell
08/03/2023 · High School

Find the missing number \( 1: 2=3: \) A) 3 B) 6 C) 1 D) 2

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Step-by-step Solution

To solve the proportion \( 1:2 = 3:x \), we can set up the equation based on the property of proportions: \[ \frac{1}{2} = \frac{3}{x} \] Cross-multiplying gives us: \[ 1 \cdot x = 2 \cdot 3 \] This simplifies to: \[ x = 6 \] Thus, the missing number is \( 6 \). The answer is \( \boxed{6} \).

Quick Answer

The missing number is 6.
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