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Finding the Third Proportional to 2,600 and 6,743

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Solution

The third proportional to 2,600 and 6,743 is: 17,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600 : 6,743 = 6,743 : x
  2. Step 2: Convert to fraction form
    2,600/6,743 = 6,743/x
  3. Step 3: Cross multiply
    2,600x = 6,743 × 6,743
  4. Step 4: Simplify right side
    2,600x = 45,468,049
  5. Step 5: Solve for x
    x = 45,468,049/2,600
  6. Step 6: Final answer
    x = 17,487.71

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.