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Finding the Third Proportional to 3,734 and 6,489

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Solution

The third proportional to 3,734 and 6,489 is: 11,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734 : 6,489 = 6,489 : x
  2. Step 2: Convert to fraction form
    3,734/6,489 = 6,489/x
  3. Step 3: Cross multiply
    3,734x = 6,489 × 6,489
  4. Step 4: Simplify right side
    3,734x = 42,107,121
  5. Step 5: Solve for x
    x = 42,107,121/3,734
  6. Step 6: Final answer
    x = 11,276.68

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.