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Finding the Third Proportional to 87,667 and 124,932

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Solution

The third proportional to 87,667 and 124,932 is: 178,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,667 : 124,932 = 124,932 : x
  2. Step 2: Convert to fraction form
    87,667/124,932 = 124,932/x
  3. Step 3: Cross multiply
    87,667x = 124,932 × 124,932
  4. Step 4: Simplify right side
    87,667x = 15,608,004,624
  5. Step 5: Solve for x
    x = 15,608,004,624/87,667
  6. Step 6: Final answer
    x = 178,037.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.