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Finding the Third Proportional to 193.19 and 310.97

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Solution

The third proportional to 193.19 and 310.97 is: 500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.19 : 310.97 = 310.97 : x
  2. Step 2: Convert to fraction form
    193.19/310.97 = 310.97/x
  3. Step 3: Cross multiply
    193.19x = 310.97 × 310.97
  4. Step 4: Simplify right side
    193.19x = 96,701.56
  5. Step 5: Solve for x
    x = 96,701.56/193.19
  6. Step 6: Final answer
    x = 500.56

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.