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Finding the Third Proportional to 87,940.69 and 136,252.13

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Solution

The third proportional to 87,940.69 and 136,252.13 is: 211,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.69 : 136,252.13 = 136,252.13 : x
  2. Step 2: Convert to fraction form
    87,940.69/136,252.13 = 136,252.13/x
  3. Step 3: Cross multiply
    87,940.69x = 136,252.13 × 136,252.13
  4. Step 4: Simplify right side
    87,940.69x = 18,564,641,567.02
  5. Step 5: Solve for x
    x = 18,564,641,567.02/87,940.69
  6. Step 6: Final answer
    x = 211,104.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.