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Finding the Third Proportional to 1,909 and 2,674

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Solution

The third proportional to 1,909 and 2,674 is: 3,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909 : 2,674 = 2,674 : x
  2. Step 2: Convert to fraction form
    1,909/2,674 = 2,674/x
  3. Step 3: Cross multiply
    1,909x = 2,674 × 2,674
  4. Step 4: Simplify right side
    1,909x = 7,150,276
  5. Step 5: Solve for x
    x = 7,150,276/1,909
  6. Step 6: Final answer
    x = 3,745.56

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.