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Finding the Third Proportional to 18,837 and 29,186

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Solution

The third proportional to 18,837 and 29,186 is: 45,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837 : 29,186 = 29,186 : x
  2. Step 2: Convert to fraction form
    18,837/29,186 = 29,186/x
  3. Step 3: Cross multiply
    18,837x = 29,186 × 29,186
  4. Step 4: Simplify right side
    18,837x = 851,822,596
  5. Step 5: Solve for x
    x = 851,822,596/18,837
  6. Step 6: Final answer
    x = 45,220.71

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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.