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Finding the Third Proportional to 3,738 and 6,670

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Solution

The third proportional to 3,738 and 6,670 is: 11,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738 : 6,670 = 6,670 : x
  2. Step 2: Convert to fraction form
    3,738/6,670 = 6,670/x
  3. Step 3: Cross multiply
    3,738x = 6,670 × 6,670
  4. Step 4: Simplify right side
    3,738x = 44,488,900
  5. Step 5: Solve for x
    x = 44,488,900/3,738
  6. Step 6: Final answer
    x = 11,901.79

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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.