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Finding the Third Proportional to 15,906 and 34,542

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Solution

The third proportional to 15,906 and 34,542 is: 75,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906 : 34,542 = 34,542 : x
  2. Step 2: Convert to fraction form
    15,906/34,542 = 34,542/x
  3. Step 3: Cross multiply
    15,906x = 34,542 × 34,542
  4. Step 4: Simplify right side
    15,906x = 1,193,149,764
  5. Step 5: Solve for x
    x = 1,193,149,764/15,906
  6. Step 6: Final answer
    x = 75,012.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.