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Finding the Third Proportional to 25,486 and 38,897

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Solution

The third proportional to 25,486 and 38,897 is: 59,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486 : 38,897 = 38,897 : x
  2. Step 2: Convert to fraction form
    25,486/38,897 = 38,897/x
  3. Step 3: Cross multiply
    25,486x = 38,897 × 38,897
  4. Step 4: Simplify right side
    25,486x = 1,512,976,609
  5. Step 5: Solve for x
    x = 1,512,976,609/25,486
  6. Step 6: Final answer
    x = 59,365.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.