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Finding the Third Proportional to 29,286 and 39,897

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Solution

The third proportional to 29,286 and 39,897 is: 54,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286 : 39,897 = 39,897 : x
  2. Step 2: Convert to fraction form
    29,286/39,897 = 39,897/x
  3. Step 3: Cross multiply
    29,286x = 39,897 × 39,897
  4. Step 4: Simplify right side
    29,286x = 1,591,770,609
  5. Step 5: Solve for x
    x = 1,591,770,609/29,286
  6. Step 6: Final answer
    x = 54,352.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.