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Finding the Third Proportional to 338,817.50 and 451,695

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Solution

The third proportional to 338,817.50 and 451,695 is: 602,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,817.50 : 451,695 = 451,695 : x
  2. Step 2: Convert to fraction form
    338,817.50/451,695 = 451,695/x
  3. Step 3: Cross multiply
    338,817.50x = 451,695 × 451,695
  4. Step 4: Simplify right side
    338,817.50x = 204,028,373,025
  5. Step 5: Solve for x
    x = 204,028,373,025/338,817.50
  6. Step 6: Final answer
    x = 602,177.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.