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Finding the Third Proportional to 7,459 and 9,897

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Solution

The third proportional to 7,459 and 9,897 is: 13,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459 : 9,897 = 9,897 : x
  2. Step 2: Convert to fraction form
    7,459/9,897 = 9,897/x
  3. Step 3: Cross multiply
    7,459x = 9,897 × 9,897
  4. Step 4: Simplify right side
    7,459x = 97,950,609
  5. Step 5: Solve for x
    x = 97,950,609/7,459
  6. Step 6: Final answer
    x = 13,131.87

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.