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Finding the Third Proportional to 200.11 and 433.41

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Solution

The third proportional to 200.11 and 433.41 is: 938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.11 : 433.41 = 433.41 : x
  2. Step 2: Convert to fraction form
    200.11/433.41 = 433.41/x
  3. Step 3: Cross multiply
    200.11x = 433.41 × 433.41
  4. Step 4: Simplify right side
    200.11x = 187,840.98
  5. Step 5: Solve for x
    x = 187,840.98/200.11
  6. Step 6: Final answer
    x = 938.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.