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Finding the Third Proportional to 426.88 and 892.75

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Solution

The third proportional to 426.88 and 892.75 is: 1,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.88 : 892.75 = 892.75 : x
  2. Step 2: Convert to fraction form
    426.88/892.75 = 892.75/x
  3. Step 3: Cross multiply
    426.88x = 892.75 × 892.75
  4. Step 4: Simplify right side
    426.88x = 797,002.56
  5. Step 5: Solve for x
    x = 797,002.56/426.88
  6. Step 6: Final answer
    x = 1,867.06

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.