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Finding the Third Proportional to 281.25 and 604.41

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Solution

The third proportional to 281.25 and 604.41 is: 1,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.25 : 604.41 = 604.41 : x
  2. Step 2: Convert to fraction form
    281.25/604.41 = 604.41/x
  3. Step 3: Cross multiply
    281.25x = 604.41 × 604.41
  4. Step 4: Simplify right side
    281.25x = 365,306.92
  5. Step 5: Solve for x
    x = 365,306.92/281.25
  6. Step 6: Final answer
    x = 1,298.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.