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Finding the Third Proportional to 62,676 and 135,042

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Solution

The third proportional to 62,676 and 135,042 is: 290,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676 : 135,042 = 135,042 : x
  2. Step 2: Convert to fraction form
    62,676/135,042 = 135,042/x
  3. Step 3: Cross multiply
    62,676x = 135,042 × 135,042
  4. Step 4: Simplify right side
    62,676x = 18,236,341,764
  5. Step 5: Solve for x
    x = 18,236,341,764/62,676
  6. Step 6: Final answer
    x = 290,962.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.