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Finding the Third Proportional to 281.38 and 604.75

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Solution

The third proportional to 281.38 and 604.75 is: 1,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.38 : 604.75 = 604.75 : x
  2. Step 2: Convert to fraction form
    281.38/604.75 = 604.75/x
  3. Step 3: Cross multiply
    281.38x = 604.75 × 604.75
  4. Step 4: Simplify right side
    281.38x = 365,722.56
  5. Step 5: Solve for x
    x = 365,722.56/281.38
  6. Step 6: Final answer
    x = 1,299.77

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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.