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Finding the Third Proportional to 498.94 and 658.97

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Solution

The third proportional to 498.94 and 658.97 is: 870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.94 : 658.97 = 658.97 : x
  2. Step 2: Convert to fraction form
    498.94/658.97 = 658.97/x
  3. Step 3: Cross multiply
    498.94x = 658.97 × 658.97
  4. Step 4: Simplify right side
    498.94x = 434,239.81
  5. Step 5: Solve for x
    x = 434,239.81/498.94
  6. Step 6: Final answer
    x = 870.33

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.