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Finding the Third Proportional to 60,522,078 and 129,860,910

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Solution

The third proportional to 60,522,078 and 129,860,910 is: 278,639,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522,078 : 129,860,910 = 129,860,910 : x
  2. Step 2: Convert to fraction form
    60,522,078/129,860,910 = 129,860,910/x
  3. Step 3: Cross multiply
    60,522,078x = 129,860,910 × 129,860,910
  4. Step 4: Simplify right side
    60,522,078x = 16,863,855,946,028,100
  5. Step 5: Solve for x
    x = 16,863,855,946,028,100/60,522,078
  6. Step 6: Final answer
    x = 278,639,737.82

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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.