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Finding the Third Proportional to 344.67 and 748.83

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Solution

The third proportional to 344.67 and 748.83 is: 1,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.67 : 748.83 = 748.83 : x
  2. Step 2: Convert to fraction form
    344.67/748.83 = 748.83/x
  3. Step 3: Cross multiply
    344.67x = 748.83 × 748.83
  4. Step 4: Simplify right side
    344.67x = 560,743.56
  5. Step 5: Solve for x
    x = 560,743.56/344.67
  6. Step 6: Final answer
    x = 1,626.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.