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Finding the Third Proportional to 75,859 and 165,542

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Solution

The third proportional to 75,859 and 165,542 is: 361,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,859 : 165,542 = 165,542 : x
  2. Step 2: Convert to fraction form
    75,859/165,542 = 165,542/x
  3. Step 3: Cross multiply
    75,859x = 165,542 × 165,542
  4. Step 4: Simplify right side
    75,859x = 27,404,153,764
  5. Step 5: Solve for x
    x = 27,404,153,764/75,859
  6. Step 6: Final answer
    x = 361,251.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.