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Finding the Third Proportional to 3,561 and 6,339

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Solution

The third proportional to 3,561 and 6,339 is: 11,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561 : 6,339 = 6,339 : x
  2. Step 2: Convert to fraction form
    3,561/6,339 = 6,339/x
  3. Step 3: Cross multiply
    3,561x = 6,339 × 6,339
  4. Step 4: Simplify right side
    3,561x = 40,182,921
  5. Step 5: Solve for x
    x = 40,182,921/3,561
  6. Step 6: Final answer
    x = 11,284.17

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.