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Finding the Third Proportional to 3,385 and 5,195

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Solution

The third proportional to 3,385 and 5,195 is: 7,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385 : 5,195 = 5,195 : x
  2. Step 2: Convert to fraction form
    3,385/5,195 = 5,195/x
  3. Step 3: Cross multiply
    3,385x = 5,195 × 5,195
  4. Step 4: Simplify right side
    3,385x = 26,988,025
  5. Step 5: Solve for x
    x = 26,988,025/3,385
  6. Step 6: Final answer
    x = 7,972.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.