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Finding the Third Proportional to 2,577 and 5,542

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Solution

The third proportional to 2,577 and 5,542 is: 11,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577 : 5,542 = 5,542 : x
  2. Step 2: Convert to fraction form
    2,577/5,542 = 5,542/x
  3. Step 3: Cross multiply
    2,577x = 5,542 × 5,542
  4. Step 4: Simplify right side
    2,577x = 30,713,764
  5. Step 5: Solve for x
    x = 30,713,764/2,577
  6. Step 6: Final answer
    x = 11,918.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.