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Finding the Third Proportional to 40,169.25 and 57,385.13

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Solution

The third proportional to 40,169.25 and 57,385.13 is: 81,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.25 : 57,385.13 = 57,385.13 : x
  2. Step 2: Convert to fraction form
    40,169.25/57,385.13 = 57,385.13/x
  3. Step 3: Cross multiply
    40,169.25x = 57,385.13 × 57,385.13
  4. Step 4: Simplify right side
    40,169.25x = 3,293,052,571.27
  5. Step 5: Solve for x
    x = 3,293,052,571.27/40,169.25
  6. Step 6: Final answer
    x = 81,979.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.