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Finding the Third Proportional to 395,694 and 613,620

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Solution

The third proportional to 395,694 and 613,620 is: 951,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,694 : 613,620 = 613,620 : x
  2. Step 2: Convert to fraction form
    395,694/613,620 = 613,620/x
  3. Step 3: Cross multiply
    395,694x = 613,620 × 613,620
  4. Step 4: Simplify right side
    395,694x = 376,529,504,400
  5. Step 5: Solve for x
    x = 376,529,504,400/395,694
  6. Step 6: Final answer
    x = 951,567.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.