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Finding the Third Proportional to 17,847 and 38,873

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Solution

The third proportional to 17,847 and 38,873 is: 84,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847 : 38,873 = 38,873 : x
  2. Step 2: Convert to fraction form
    17,847/38,873 = 38,873/x
  3. Step 3: Cross multiply
    17,847x = 38,873 × 38,873
  4. Step 4: Simplify right side
    17,847x = 1,511,110,129
  5. Step 5: Solve for x
    x = 1,511,110,129/17,847
  6. Step 6: Final answer
    x = 84,670.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.