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Finding the Third Proportional to 2,670 and 3,234

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Solution

The third proportional to 2,670 and 3,234 is: 3,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670 : 3,234 = 3,234 : x
  2. Step 2: Convert to fraction form
    2,670/3,234 = 3,234/x
  3. Step 3: Cross multiply
    2,670x = 3,234 × 3,234
  4. Step 4: Simplify right side
    2,670x = 10,458,756
  5. Step 5: Solve for x
    x = 10,458,756/2,670
  6. Step 6: Final answer
    x = 3,917.14

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.