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Finding the Third Proportional to 3,936,306,310.88 and 8,674,957,230.38

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Solution

The third proportional to 3,936,306,310.88 and 8,674,957,230.38 is: 19,118,147,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,306,310.88 : 8,674,957,230.38 = 8,674,957,230.38 : x
  2. Step 2: Convert to fraction form
    3,936,306,310.88/8,674,957,230.38 = 8,674,957,230.38/x
  3. Step 3: Cross multiply
    3,936,306,310.88x = 8,674,957,230.38 × 8,674,957,230.38
  4. Step 4: Simplify right side
    3,936,306,310.88x = 75,254,882,948,835,491,840
  5. Step 5: Solve for x
    x = 75,254,882,948,835,491,840/3,936,306,310.88
  6. Step 6: Final answer
    x = 19,118,147,066.18

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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.