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Finding the Third Proportional to 6,467 and 13,782

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Solution

The third proportional to 6,467 and 13,782 is: 29,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467 : 13,782 = 13,782 : x
  2. Step 2: Convert to fraction form
    6,467/13,782 = 13,782/x
  3. Step 3: Cross multiply
    6,467x = 13,782 × 13,782
  4. Step 4: Simplify right side
    6,467x = 189,943,524
  5. Step 5: Solve for x
    x = 189,943,524/6,467
  6. Step 6: Final answer
    x = 29,371.20

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.