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Finding the Third Proportional to 396,505,300 and 858,897,512

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Solution

The third proportional to 396,505,300 and 858,897,512 is: 1,860,517,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,505,300 : 858,897,512 = 858,897,512 : x
  2. Step 2: Convert to fraction form
    396,505,300/858,897,512 = 858,897,512/x
  3. Step 3: Cross multiply
    396,505,300x = 858,897,512 × 858,897,512
  4. Step 4: Simplify right side
    396,505,300x = 737,704,936,119,790,080
  5. Step 5: Solve for x
    x = 737,704,936,119,790,080/396,505,300
  6. Step 6: Final answer
    x = 1,860,517,214.07

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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.