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Finding the Third Proportional to 892.13 and 1,338.56

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Solution

The third proportional to 892.13 and 1,338.56 is: 2,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.13 : 1,338.56 = 1,338.56 : x
  2. Step 2: Convert to fraction form
    892.13/1,338.56 = 1,338.56/x
  3. Step 3: Cross multiply
    892.13x = 1,338.56 × 1,338.56
  4. Step 4: Simplify right side
    892.13x = 1,791,749.57
  5. Step 5: Solve for x
    x = 1,791,749.57/892.13
  6. Step 6: Final answer
    x = 2,008.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.