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Finding the Third Proportional to 87,336.13 and 131,441.50

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Solution

The third proportional to 87,336.13 and 131,441.50 is: 197,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.13 : 131,441.50 = 131,441.50 : x
  2. Step 2: Convert to fraction form
    87,336.13/131,441.50 = 131,441.50/x
  3. Step 3: Cross multiply
    87,336.13x = 131,441.50 × 131,441.50
  4. Step 4: Simplify right side
    87,336.13x = 17,276,867,922.25
  5. Step 5: Solve for x
    x = 17,276,867,922.25/87,336.13
  6. Step 6: Final answer
    x = 197,820.41

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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.