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Finding the Third Proportional to 3,319 and 6,751

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Solution

The third proportional to 3,319 and 6,751 is: 13,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319 : 6,751 = 6,751 : x
  2. Step 2: Convert to fraction form
    3,319/6,751 = 6,751/x
  3. Step 3: Cross multiply
    3,319x = 6,751 × 6,751
  4. Step 4: Simplify right side
    3,319x = 45,576,001
  5. Step 5: Solve for x
    x = 45,576,001/3,319
  6. Step 6: Final answer
    x = 13,731.85

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.