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Finding the Third Proportional to 3,903 and 5,897

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Solution

The third proportional to 3,903 and 5,897 is: 8,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903 : 5,897 = 5,897 : x
  2. Step 2: Convert to fraction form
    3,903/5,897 = 5,897/x
  3. Step 3: Cross multiply
    3,903x = 5,897 × 5,897
  4. Step 4: Simplify right side
    3,903x = 34,774,609
  5. Step 5: Solve for x
    x = 34,774,609/3,903
  6. Step 6: Final answer
    x = 8,909.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.