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Finding the Third Proportional to 87,744 and 127,632

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Solution

The third proportional to 87,744 and 127,632 is: 185,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744 : 127,632 = 127,632 : x
  2. Step 2: Convert to fraction form
    87,744/127,632 = 127,632/x
  3. Step 3: Cross multiply
    87,744x = 127,632 × 127,632
  4. Step 4: Simplify right side
    87,744x = 16,289,927,424
  5. Step 5: Solve for x
    x = 16,289,927,424/87,744
  6. Step 6: Final answer
    x = 185,652.89

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.