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Finding the Third Proportional to 15,897 and 25,166

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Solution

The third proportional to 15,897 and 25,166 is: 39,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897 : 25,166 = 25,166 : x
  2. Step 2: Convert to fraction form
    15,897/25,166 = 25,166/x
  3. Step 3: Cross multiply
    15,897x = 25,166 × 25,166
  4. Step 4: Simplify right side
    15,897x = 633,327,556
  5. Step 5: Solve for x
    x = 633,327,556/15,897
  6. Step 6: Final answer
    x = 39,839.44

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.