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Finding the Third Proportional to 439,059,779 and 867,015,425

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Solution

The third proportional to 439,059,779 and 867,015,425 is: 1,712,103,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,059,779 : 867,015,425 = 867,015,425 : x
  2. Step 2: Convert to fraction form
    439,059,779/867,015,425 = 867,015,425/x
  3. Step 3: Cross multiply
    439,059,779x = 867,015,425 × 867,015,425
  4. Step 4: Simplify right side
    439,059,779x = 751,715,747,187,930,624
  5. Step 5: Solve for x
    x = 751,715,747,187,930,624/439,059,779
  6. Step 6: Final answer
    x = 1,712,103,415.39

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.