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Finding the Third Proportional to 83,924 and 126,694

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Solution

The third proportional to 83,924 and 126,694 is: 191,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,924 : 126,694 = 126,694 : x
  2. Step 2: Convert to fraction form
    83,924/126,694 = 126,694/x
  3. Step 3: Cross multiply
    83,924x = 126,694 × 126,694
  4. Step 4: Simplify right side
    83,924x = 16,051,369,636
  5. Step 5: Solve for x
    x = 16,051,369,636/83,924
  6. Step 6: Final answer
    x = 191,260.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.