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Finding the Third Proportional to 133.73 and 200.60

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Solution

The third proportional to 133.73 and 200.60 is: 300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.73 : 200.60 = 200.60 : x
  2. Step 2: Convert to fraction form
    133.73/200.60 = 200.60/x
  3. Step 3: Cross multiply
    133.73x = 200.60 × 200.60
  4. Step 4: Simplify right side
    133.73x = 40,240.99
  5. Step 5: Solve for x
    x = 40,240.99/133.73
  6. Step 6: Final answer
    x = 300.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.