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Finding the Third Proportional to 1,163.50 and 2,449

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Solution

The third proportional to 1,163.50 and 2,449 is: 5,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.50 : 2,449 = 2,449 : x
  2. Step 2: Convert to fraction form
    1,163.50/2,449 = 2,449/x
  3. Step 3: Cross multiply
    1,163.50x = 2,449 × 2,449
  4. Step 4: Simplify right side
    1,163.50x = 5,997,601
  5. Step 5: Solve for x
    x = 5,997,601/1,163.50
  6. Step 6: Final answer
    x = 5,154.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.