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Finding the Third Proportional to 17,898 and 38,874

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Solution

The third proportional to 17,898 and 38,874 is: 84,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898 : 38,874 = 38,874 : x
  2. Step 2: Convert to fraction form
    17,898/38,874 = 38,874/x
  3. Step 3: Cross multiply
    17,898x = 38,874 × 38,874
  4. Step 4: Simplify right side
    17,898x = 1,511,187,876
  5. Step 5: Solve for x
    x = 1,511,187,876/17,898
  6. Step 6: Final answer
    x = 84,433.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.