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Finding the Third Proportional to 7,513 and 8,107

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Solution

The third proportional to 7,513 and 8,107 is: 8,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513 : 8,107 = 8,107 : x
  2. Step 2: Convert to fraction form
    7,513/8,107 = 8,107/x
  3. Step 3: Cross multiply
    7,513x = 8,107 × 8,107
  4. Step 4: Simplify right side
    7,513x = 65,723,449
  5. Step 5: Solve for x
    x = 65,723,449/7,513
  6. Step 6: Final answer
    x = 8,747.96

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.