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Finding the Third Proportional to 79,860,927 and 171,826,902

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Solution

The third proportional to 79,860,927 and 171,826,902 is: 369,698,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,860,927 : 171,826,902 = 171,826,902 : x
  2. Step 2: Convert to fraction form
    79,860,927/171,826,902 = 171,826,902/x
  3. Step 3: Cross multiply
    79,860,927x = 171,826,902 × 171,826,902
  4. Step 4: Simplify right side
    79,860,927x = 29,524,484,250,917,604
  5. Step 5: Solve for x
    x = 29,524,484,250,917,604/79,860,927
  6. Step 6: Final answer
    x = 369,698,742.05

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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.