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Finding the Third Proportional to 195.50 and 343.38

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Solution

The third proportional to 195.50 and 343.38 is: 603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.50 : 343.38 = 343.38 : x
  2. Step 2: Convert to fraction form
    195.50/343.38 = 343.38/x
  3. Step 3: Cross multiply
    195.50x = 343.38 × 343.38
  4. Step 4: Simplify right side
    195.50x = 117,906.39
  5. Step 5: Solve for x
    x = 117,906.39/195.50
  6. Step 6: Final answer
    x = 603.10

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.