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Finding the Third Proportional to 8,600.87 and 13,292.70

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Solution

The third proportional to 8,600.87 and 13,292.70 is: 20,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.87 : 13,292.70 = 13,292.70 : x
  2. Step 2: Convert to fraction form
    8,600.87/13,292.70 = 13,292.70/x
  3. Step 3: Cross multiply
    8,600.87x = 13,292.70 × 13,292.70
  4. Step 4: Simplify right side
    8,600.87x = 176,695,904.44
  5. Step 5: Solve for x
    x = 176,695,904.44/8,600.87
  6. Step 6: Final answer
    x = 20,543.95

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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.