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Finding the Third Proportional to 203.13 and 443.29

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Solution

The third proportional to 203.13 and 443.29 is: 967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.13 : 443.29 = 443.29 : x
  2. Step 2: Convert to fraction form
    203.13/443.29 = 443.29/x
  3. Step 3: Cross multiply
    203.13x = 443.29 × 443.29
  4. Step 4: Simplify right side
    203.13x = 196,501.73
  5. Step 5: Solve for x
    x = 196,501.73/203.13
  6. Step 6: Final answer
    x = 967.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.