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Finding the Third Proportional to 87,934.31 and 136,245.38

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Solution

The third proportional to 87,934.31 and 136,245.38 is: 211,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.31 : 136,245.38 = 136,245.38 : x
  2. Step 2: Convert to fraction form
    87,934.31/136,245.38 = 136,245.38/x
  3. Step 3: Cross multiply
    87,934.31x = 136,245.38 × 136,245.38
  4. Step 4: Simplify right side
    87,934.31x = 18,562,802,208.89
  5. Step 5: Solve for x
    x = 18,562,802,208.89/87,934.31
  6. Step 6: Final answer
    x = 211,098.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.