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Finding the Third Proportional to 16,902 and 39,186

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Solution

The third proportional to 16,902 and 39,186 is: 90,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902 : 39,186 = 39,186 : x
  2. Step 2: Convert to fraction form
    16,902/39,186 = 39,186/x
  3. Step 3: Cross multiply
    16,902x = 39,186 × 39,186
  4. Step 4: Simplify right side
    16,902x = 1,535,542,596
  5. Step 5: Solve for x
    x = 1,535,542,596/16,902
  6. Step 6: Final answer
    x = 90,849.76

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.