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Finding the Third Proportional to 274 and 739

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Solution

The third proportional to 274 and 739 is: 1,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274 : 739 = 739 : x
  2. Step 2: Convert to fraction form
    274/739 = 739/x
  3. Step 3: Cross multiply
    274x = 739 × 739
  4. Step 4: Simplify right side
    274x = 546,121
  5. Step 5: Solve for x
    x = 546,121/274
  6. Step 6: Final answer
    x = 1,993.14

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.