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Finding the Third Proportional to 17,231 and 25,847

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Solution

The third proportional to 17,231 and 25,847 is: 38,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231 : 25,847 = 25,847 : x
  2. Step 2: Convert to fraction form
    17,231/25,847 = 25,847/x
  3. Step 3: Cross multiply
    17,231x = 25,847 × 25,847
  4. Step 4: Simplify right side
    17,231x = 668,067,409
  5. Step 5: Solve for x
    x = 668,067,409/17,231
  6. Step 6: Final answer
    x = 38,771.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.