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Finding the Third Proportional to 87,872.38 and 133,040.88

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Solution

The third proportional to 87,872.38 and 133,040.88 is: 201,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,872.38 : 133,040.88 = 133,040.88 : x
  2. Step 2: Convert to fraction form
    87,872.38/133,040.88 = 133,040.88/x
  3. Step 3: Cross multiply
    87,872.38x = 133,040.88 × 133,040.88
  4. Step 4: Simplify right side
    87,872.38x = 17,699,874,420.77
  5. Step 5: Solve for x
    x = 17,699,874,420.77/87,872.38
  6. Step 6: Final answer
    x = 201,427.06

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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.