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Finding the Third Proportional to 303.94 and 403.97

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Solution

The third proportional to 303.94 and 403.97 is: 536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.94 : 403.97 = 403.97 : x
  2. Step 2: Convert to fraction form
    303.94/403.97 = 403.97/x
  3. Step 3: Cross multiply
    303.94x = 403.97 × 403.97
  4. Step 4: Simplify right side
    303.94x = 163,190.75
  5. Step 5: Solve for x
    x = 163,190.75/303.94
  6. Step 6: Final answer
    x = 536.92

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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.