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Finding the Third Proportional to 207.75 and 353.44

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Solution

The third proportional to 207.75 and 353.44 is: 601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.75 : 353.44 = 353.44 : x
  2. Step 2: Convert to fraction form
    207.75/353.44 = 353.44/x
  3. Step 3: Cross multiply
    207.75x = 353.44 × 353.44
  4. Step 4: Simplify right side
    207.75x = 124,918.07
  5. Step 5: Solve for x
    x = 124,918.07/207.75
  6. Step 6: Final answer
    x = 601.29

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.