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Finding the Third Proportional to 60,522,079 and 129,860,912

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Solution

The third proportional to 60,522,079 and 129,860,912 is: 278,639,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522,079 : 129,860,912 = 129,860,912 : x
  2. Step 2: Convert to fraction form
    60,522,079/129,860,912 = 129,860,912/x
  3. Step 3: Cross multiply
    60,522,079x = 129,860,912 × 129,860,912
  4. Step 4: Simplify right side
    60,522,079x = 16,863,856,465,471,744
  5. Step 5: Solve for x
    x = 16,863,856,465,471,744/60,522,079
  6. Step 6: Final answer
    x = 278,639,741.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.