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Finding the Third Proportional to 426.25 and 996.13

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Solution

The third proportional to 426.25 and 996.13 is: 2,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.25 : 996.13 = 996.13 : x
  2. Step 2: Convert to fraction form
    426.25/996.13 = 996.13/x
  3. Step 3: Cross multiply
    426.25x = 996.13 × 996.13
  4. Step 4: Simplify right side
    426.25x = 992,265.02
  5. Step 5: Solve for x
    x = 992,265.02/426.25
  6. Step 6: Final answer
    x = 2,327.89

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.