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Finding the Third Proportional to 87,604.88 and 131,994.56

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Solution

The third proportional to 87,604.88 and 131,994.56 is: 198,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.88 : 131,994.56 = 131,994.56 : x
  2. Step 2: Convert to fraction form
    87,604.88/131,994.56 = 131,994.56/x
  3. Step 3: Cross multiply
    87,604.88x = 131,994.56 × 131,994.56
  4. Step 4: Simplify right side
    87,604.88x = 17,422,564,529.57
  5. Step 5: Solve for x
    x = 17,422,564,529.57/87,604.88
  6. Step 6: Final answer
    x = 198,876.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.