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Finding the Third Proportional to 301.75 and 658.06

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Solution

The third proportional to 301.75 and 658.06 is: 1,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.75 : 658.06 = 658.06 : x
  2. Step 2: Convert to fraction form
    301.75/658.06 = 658.06/x
  3. Step 3: Cross multiply
    301.75x = 658.06 × 658.06
  4. Step 4: Simplify right side
    301.75x = 433,046.25
  5. Step 5: Solve for x
    x = 433,046.25/301.75
  6. Step 6: Final answer
    x = 1,435.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.