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Finding the Third Proportional to 343.69 and 604.69

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Solution

The third proportional to 343.69 and 604.69 is: 1,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.69 : 604.69 = 604.69 : x
  2. Step 2: Convert to fraction form
    343.69/604.69 = 604.69/x
  3. Step 3: Cross multiply
    343.69x = 604.69 × 604.69
  4. Step 4: Simplify right side
    343.69x = 365,646.97
  5. Step 5: Solve for x
    x = 365,646.97/343.69
  6. Step 6: Final answer
    x = 1,063.89

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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.