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Finding the Third Proportional to 87,755.25 and 139,833.75

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Solution

The third proportional to 87,755.25 and 139,833.75 is: 222,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.25 : 139,833.75 = 139,833.75 : x
  2. Step 2: Convert to fraction form
    87,755.25/139,833.75 = 139,833.75/x
  3. Step 3: Cross multiply
    87,755.25x = 139,833.75 × 139,833.75
  4. Step 4: Simplify right side
    87,755.25x = 19,553,477,639.06
  5. Step 5: Solve for x
    x = 19,553,477,639.06/87,755.25
  6. Step 6: Final answer
    x = 222,818.32

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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.