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Finding the Third Proportional to 2,204 and 3,928

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Solution

The third proportional to 2,204 and 3,928 is: 7,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204 : 3,928 = 3,928 : x
  2. Step 2: Convert to fraction form
    2,204/3,928 = 3,928/x
  3. Step 3: Cross multiply
    2,204x = 3,928 × 3,928
  4. Step 4: Simplify right side
    2,204x = 15,429,184
  5. Step 5: Solve for x
    x = 15,429,184/2,204
  6. Step 6: Final answer
    x = 7,000.54

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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.