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Finding the Third Proportional to 6,761 and 7,517

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Solution

The third proportional to 6,761 and 7,517 is: 8,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761 : 7,517 = 7,517 : x
  2. Step 2: Convert to fraction form
    6,761/7,517 = 7,517/x
  3. Step 3: Cross multiply
    6,761x = 7,517 × 7,517
  4. Step 4: Simplify right side
    6,761x = 56,505,289
  5. Step 5: Solve for x
    x = 56,505,289/6,761
  6. Step 6: Final answer
    x = 8,357.53

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.