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Finding the Third Proportional to 892.25 and 2,149.75

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Solution

The third proportional to 892.25 and 2,149.75 is: 5,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.25 : 2,149.75 = 2,149.75 : x
  2. Step 2: Convert to fraction form
    892.25/2,149.75 = 2,149.75/x
  3. Step 3: Cross multiply
    892.25x = 2,149.75 × 2,149.75
  4. Step 4: Simplify right side
    892.25x = 4,621,425.06
  5. Step 5: Solve for x
    x = 4,621,425.06/892.25
  6. Step 6: Final answer
    x = 5,179.52

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.