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Finding the Third Proportional to 8,500.36 and 18,400.92

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Solution

The third proportional to 8,500.36 and 18,400.92 is: 39,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.36 : 18,400.92 = 18,400.92 : x
  2. Step 2: Convert to fraction form
    8,500.36/18,400.92 = 18,400.92/x
  3. Step 3: Cross multiply
    8,500.36x = 18,400.92 × 18,400.92
  4. Step 4: Simplify right side
    8,500.36x = 338,593,925.85
  5. Step 5: Solve for x
    x = 338,593,925.85/8,500.36
  6. Step 6: Final answer
    x = 39,832.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.