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Finding the Third Proportional to 58,427.50 and 87,542

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Solution

The third proportional to 58,427.50 and 87,542 is: 131,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,427.50 : 87,542 = 87,542 : x
  2. Step 2: Convert to fraction form
    58,427.50/87,542 = 87,542/x
  3. Step 3: Cross multiply
    58,427.50x = 87,542 × 87,542
  4. Step 4: Simplify right side
    58,427.50x = 7,663,601,764
  5. Step 5: Solve for x
    x = 7,663,601,764/58,427.50
  6. Step 6: Final answer
    x = 131,164.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.