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Finding the Third Proportional to 3,863,122,173 and 8,368,022,520

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Solution

The third proportional to 3,863,122,173 and 8,368,022,520 is: 18,126,219,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,122,173 : 8,368,022,520 = 8,368,022,520 : x
  2. Step 2: Convert to fraction form
    3,863,122,173/8,368,022,520 = 8,368,022,520/x
  3. Step 3: Cross multiply
    3,863,122,173x = 8,368,022,520 × 8,368,022,520
  4. Step 4: Simplify right side
    3,863,122,173x = 70,023,800,895,227,150,336
  5. Step 5: Solve for x
    x = 70,023,800,895,227,150,336/3,863,122,173
  6. Step 6: Final answer
    x = 18,126,219,611.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.