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Finding the Third Proportional to 87,874.50 and 136,181.25

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Solution

The third proportional to 87,874.50 and 136,181.25 is: 211,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.50 : 136,181.25 = 136,181.25 : x
  2. Step 2: Convert to fraction form
    87,874.50/136,181.25 = 136,181.25/x
  3. Step 3: Cross multiply
    87,874.50x = 136,181.25 × 136,181.25
  4. Step 4: Simplify right side
    87,874.50x = 18,545,332,851.56
  5. Step 5: Solve for x
    x = 18,545,332,851.56/87,874.50
  6. Step 6: Final answer
    x = 211,043.40

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