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Finding the Third Proportional to 3,299 and 4,393

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Solution

The third proportional to 3,299 and 4,393 is: 5,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299 : 4,393 = 4,393 : x
  2. Step 2: Convert to fraction form
    3,299/4,393 = 4,393/x
  3. Step 3: Cross multiply
    3,299x = 4,393 × 4,393
  4. Step 4: Simplify right side
    3,299x = 19,298,449
  5. Step 5: Solve for x
    x = 19,298,449/3,299
  6. Step 6: Final answer
    x = 5,849.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.