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Finding the Third Proportional to 158,750 and 215,599

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Solution

The third proportional to 158,750 and 215,599 is: 292,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,750 : 215,599 = 215,599 : x
  2. Step 2: Convert to fraction form
    158,750/215,599 = 215,599/x
  3. Step 3: Cross multiply
    158,750x = 215,599 × 215,599
  4. Step 4: Simplify right side
    158,750x = 46,482,928,801
  5. Step 5: Solve for x
    x = 46,482,928,801/158,750
  6. Step 6: Final answer
    x = 292,805.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.