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Finding the Third Proportional to 996.75 and 1,489.13

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Solution

The third proportional to 996.75 and 1,489.13 is: 2,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.75 : 1,489.13 = 1,489.13 : x
  2. Step 2: Convert to fraction form
    996.75/1,489.13 = 1,489.13/x
  3. Step 3: Cross multiply
    996.75x = 1,489.13 × 1,489.13
  4. Step 4: Simplify right side
    996.75x = 2,217,493.27
  5. Step 5: Solve for x
    x = 2,217,493.27/996.75
  6. Step 6: Final answer
    x = 2,224.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.