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Finding the Third Proportional to 1,274 and 3,453

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Solution

The third proportional to 1,274 and 3,453 is: 9,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274 : 3,453 = 3,453 : x
  2. Step 2: Convert to fraction form
    1,274/3,453 = 3,453/x
  3. Step 3: Cross multiply
    1,274x = 3,453 × 3,453
  4. Step 4: Simplify right side
    1,274x = 11,923,209
  5. Step 5: Solve for x
    x = 11,923,209/1,274
  6. Step 6: Final answer
    x = 9,358.88

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.