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Finding the Third Proportional to 88,155 and 187,542

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Solution

The third proportional to 88,155 and 187,542 is: 398,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,155 : 187,542 = 187,542 : x
  2. Step 2: Convert to fraction form
    88,155/187,542 = 187,542/x
  3. Step 3: Cross multiply
    88,155x = 187,542 × 187,542
  4. Step 4: Simplify right side
    88,155x = 35,172,001,764
  5. Step 5: Solve for x
    x = 35,172,001,764/88,155
  6. Step 6: Final answer
    x = 398,979.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.