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Finding the Third Proportional to 4,279,947,698 and 8,680,237,780

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Solution

The third proportional to 4,279,947,698 and 8,680,237,780 is: 17,604,544,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,947,698 : 8,680,237,780 = 8,680,237,780 : x
  2. Step 2: Convert to fraction form
    4,279,947,698/8,680,237,780 = 8,680,237,780/x
  3. Step 3: Cross multiply
    4,279,947,698x = 8,680,237,780 × 8,680,237,780
  4. Step 4: Simplify right side
    4,279,947,698x = 75,346,527,917,339,328,512
  5. Step 5: Solve for x
    x = 75,346,527,917,339,328,512/4,279,947,698
  6. Step 6: Final answer
    x = 17,604,544,081.82

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.