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Finding the Third Proportional to 6,651.75 and 7,272.75

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Solution

The third proportional to 6,651.75 and 7,272.75 is: 7,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.75 : 7,272.75 = 7,272.75 : x
  2. Step 2: Convert to fraction form
    6,651.75/7,272.75 = 7,272.75/x
  3. Step 3: Cross multiply
    6,651.75x = 7,272.75 × 7,272.75
  4. Step 4: Simplify right side
    6,651.75x = 52,892,892.56
  5. Step 5: Solve for x
    x = 52,892,892.56/6,651.75
  6. Step 6: Final answer
    x = 7,951.73

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.