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Finding the Third Proportional to 87,788.81 and 188,893.13

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Solution

The third proportional to 87,788.81 and 188,893.13 is: 406,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,788.81 : 188,893.13 = 188,893.13 : x
  2. Step 2: Convert to fraction form
    87,788.81/188,893.13 = 188,893.13/x
  3. Step 3: Cross multiply
    87,788.81x = 188,893.13 × 188,893.13
  4. Step 4: Simplify right side
    87,788.81x = 35,680,612,672.27
  5. Step 5: Solve for x
    x = 35,680,612,672.27/87,788.81
  6. Step 6: Final answer
    x = 406,436.90

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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.