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Finding the Third Proportional to 3,350.11 and 5,312.88

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Solution

The third proportional to 3,350.11 and 5,312.88 is: 8,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.11 : 5,312.88 = 5,312.88 : x
  2. Step 2: Convert to fraction form
    3,350.11/5,312.88 = 5,312.88/x
  3. Step 3: Cross multiply
    3,350.11x = 5,312.88 × 5,312.88
  4. Step 4: Simplify right side
    3,350.11x = 28,226,723.78
  5. Step 5: Solve for x
    x = 28,226,723.78/3,350.11
  6. Step 6: Final answer
    x = 8,425.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.