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Finding the Third Proportional to 87,699.38 and 136,682.44

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Solution

The third proportional to 87,699.38 and 136,682.44 is: 213,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.38 : 136,682.44 = 136,682.44 : x
  2. Step 2: Convert to fraction form
    87,699.38/136,682.44 = 136,682.44/x
  3. Step 3: Cross multiply
    87,699.38x = 136,682.44 × 136,682.44
  4. Step 4: Simplify right side
    87,699.38x = 18,682,088,720.94
  5. Step 5: Solve for x
    x = 18,682,088,720.94/87,699.38
  6. Step 6: Final answer
    x = 213,024.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.