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Finding the Third Proportional to 3,374 and 3,670

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Solution

The third proportional to 3,374 and 3,670 is: 3,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374 : 3,670 = 3,670 : x
  2. Step 2: Convert to fraction form
    3,374/3,670 = 3,670/x
  3. Step 3: Cross multiply
    3,374x = 3,670 × 3,670
  4. Step 4: Simplify right side
    3,374x = 13,468,900
  5. Step 5: Solve for x
    x = 13,468,900/3,374
  6. Step 6: Final answer
    x = 3,991.97

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.