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Finding the Third Proportional to 7,749 and 11,604.38

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Solution

The third proportional to 7,749 and 11,604.38 is: 17,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749 : 11,604.38 = 11,604.38 : x
  2. Step 2: Convert to fraction form
    7,749/11,604.38 = 11,604.38/x
  3. Step 3: Cross multiply
    7,749x = 11,604.38 × 11,604.38
  4. Step 4: Simplify right side
    7,749x = 134,661,519.14
  5. Step 5: Solve for x
    x = 134,661,519.14/7,749
  6. Step 6: Final answer
    x = 17,377.92

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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.