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Finding the Third Proportional to 56,138,843 and 122,860,567

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Solution

The third proportional to 56,138,843 and 122,860,567 is: 268,881,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138,843 : 122,860,567 = 122,860,567 : x
  2. Step 2: Convert to fraction form
    56,138,843/122,860,567 = 122,860,567/x
  3. Step 3: Cross multiply
    56,138,843x = 122,860,567 × 122,860,567
  4. Step 4: Simplify right side
    56,138,843x = 15,094,718,923,561,488
  5. Step 5: Solve for x
    x = 15,094,718,923,561,488/56,138,843
  6. Step 6: Final answer
    x = 268,881,902.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.