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Finding the Third Proportional to 3,864,255,612 and 8,487,651,000

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Solution

The third proportional to 3,864,255,612 and 8,487,651,000 is: 18,642,715,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,255,612 : 8,487,651,000 = 8,487,651,000 : x
  2. Step 2: Convert to fraction form
    3,864,255,612/8,487,651,000 = 8,487,651,000/x
  3. Step 3: Cross multiply
    3,864,255,612x = 8,487,651,000 × 8,487,651,000
  4. Step 4: Simplify right side
    3,864,255,612x = 72,040,219,497,800,998,912
  5. Step 5: Solve for x
    x = 72,040,219,497,800,998,912/3,864,255,612
  6. Step 6: Final answer
    x = 18,642,715,889.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.