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Finding the Third Proportional to 87,511.25 and 132,068.75

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Solution

The third proportional to 87,511.25 and 132,068.75 is: 199,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,511.25 : 132,068.75 = 132,068.75 : x
  2. Step 2: Convert to fraction form
    87,511.25/132,068.75 = 132,068.75/x
  3. Step 3: Cross multiply
    87,511.25x = 132,068.75 × 132,068.75
  4. Step 4: Simplify right side
    87,511.25x = 17,442,154,726.56
  5. Step 5: Solve for x
    x = 17,442,154,726.56/87,511.25
  6. Step 6: Final answer
    x = 199,313.29

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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.