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Finding the Third Proportional to 7,634 and 11,475

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Solution

The third proportional to 7,634 and 11,475 is: 17,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634 : 11,475 = 11,475 : x
  2. Step 2: Convert to fraction form
    7,634/11,475 = 11,475/x
  3. Step 3: Cross multiply
    7,634x = 11,475 × 11,475
  4. Step 4: Simplify right side
    7,634x = 131,675,625
  5. Step 5: Solve for x
    x = 131,675,625/7,634
  6. Step 6: Final answer
    x = 17,248.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.