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Finding the Third Proportional to 359,793 and 781,794

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Solution

The third proportional to 359,793 and 781,794 is: 1,698,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,793 : 781,794 = 781,794 : x
  2. Step 2: Convert to fraction form
    359,793/781,794 = 781,794/x
  3. Step 3: Cross multiply
    359,793x = 781,794 × 781,794
  4. Step 4: Simplify right side
    359,793x = 611,201,858,436
  5. Step 5: Solve for x
    x = 611,201,858,436/359,793
  6. Step 6: Final answer
    x = 1,698,759.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.