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Finding the Third Proportional to 79,863,367 and 122,679,911

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Solution

The third proportional to 79,863,367 and 122,679,911 is: 188,451,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,367 : 122,679,911 = 122,679,911 : x
  2. Step 2: Convert to fraction form
    79,863,367/122,679,911 = 122,679,911/x
  3. Step 3: Cross multiply
    79,863,367x = 122,679,911 × 122,679,911
  4. Step 4: Simplify right side
    79,863,367x = 15,050,360,562,967,920
  5. Step 5: Solve for x
    x = 15,050,360,562,967,920/79,863,367
  6. Step 6: Final answer
    x = 188,451,365.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.