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Finding the Third Proportional to 5,031 and 5,517

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Solution

The third proportional to 5,031 and 5,517 is: 6,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031 : 5,517 = 5,517 : x
  2. Step 2: Convert to fraction form
    5,031/5,517 = 5,517/x
  3. Step 3: Cross multiply
    5,031x = 5,517 × 5,517
  4. Step 4: Simplify right side
    5,031x = 30,437,289
  5. Step 5: Solve for x
    x = 30,437,289/5,031
  6. Step 6: Final answer
    x = 6,049.95

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.