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Finding the Third Proportional to 3,994 and 8,204

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Solution

The third proportional to 3,994 and 8,204 is: 16,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994 : 8,204 = 8,204 : x
  2. Step 2: Convert to fraction form
    3,994/8,204 = 8,204/x
  3. Step 3: Cross multiply
    3,994x = 8,204 × 8,204
  4. Step 4: Simplify right side
    3,994x = 67,305,616
  5. Step 5: Solve for x
    x = 67,305,616/3,994
  6. Step 6: Final answer
    x = 16,851.68

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.