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Finding the Third Proportional to 203.16 and 446.81

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Solution

The third proportional to 203.16 and 446.81 is: 982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.16 : 446.81 = 446.81 : x
  2. Step 2: Convert to fraction form
    203.16/446.81 = 446.81/x
  3. Step 3: Cross multiply
    203.16x = 446.81 × 446.81
  4. Step 4: Simplify right side
    203.16x = 199,641.41
  5. Step 5: Solve for x
    x = 199,641.41/203.16
  6. Step 6: Final answer
    x = 982.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.