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Finding the Third Proportional to 353.25 and 731.06

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Solution

The third proportional to 353.25 and 731.06 is: 1,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.25 : 731.06 = 731.06 : x
  2. Step 2: Convert to fraction form
    353.25/731.06 = 731.06/x
  3. Step 3: Cross multiply
    353.25x = 731.06 × 731.06
  4. Step 4: Simplify right side
    353.25x = 534,452.38
  5. Step 5: Solve for x
    x = 534,452.38/353.25
  6. Step 6: Final answer
    x = 1,512.96

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.