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Finding the Third Proportional to 55,217.25 and 87,571.13

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Solution

The third proportional to 55,217.25 and 87,571.13 is: 138,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.25 : 87,571.13 = 87,571.13 : x
  2. Step 2: Convert to fraction form
    55,217.25/87,571.13 = 87,571.13/x
  3. Step 3: Cross multiply
    55,217.25x = 87,571.13 × 87,571.13
  4. Step 4: Simplify right side
    55,217.25x = 7,668,701,933.77
  5. Step 5: Solve for x
    x = 7,668,701,933.77/55,217.25
  6. Step 6: Final answer
    x = 138,882.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.