Finding the Third Proportional to 1,356 and 2,074
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Solution
The third proportional to 1,356 and 2,074 is: 3,172.18
Step by Step Solution
- Step 1: Write the proportion equation
1,356 : 2,074 = 2,074 : x - Step 2: Convert to fraction form
1,356/2,074 = 2,074/x - Step 3: Cross multiply
1,356x = 2,074 × 2,074 - Step 4: Simplify right side
1,356x = 4,301,476 - Step 5: Solve for x
x = 4,301,476/1,356 - Step 6: Final answer
x = 3,172.18
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.