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Finding the Third Proportional to 63,248.77 and 135,876.66

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Solution

The third proportional to 63,248.77 and 135,876.66 is: 291,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,248.77 : 135,876.66 = 135,876.66 : x
  2. Step 2: Convert to fraction form
    63,248.77/135,876.66 = 135,876.66/x
  3. Step 3: Cross multiply
    63,248.77x = 135,876.66 × 135,876.66
  4. Step 4: Simplify right side
    63,248.77x = 18,462,465,713.68
  5. Step 5: Solve for x
    x = 18,462,465,713.68/63,248.77
  6. Step 6: Final answer
    x = 291,902.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.