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Finding the Third Proportional to 2,150,538,990 and 3,379,149,261

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Solution

The third proportional to 2,150,538,990 and 3,379,149,261 is: 5,309,668,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,538,990 : 3,379,149,261 = 3,379,149,261 : x
  2. Step 2: Convert to fraction form
    2,150,538,990/3,379,149,261 = 3,379,149,261/x
  3. Step 3: Cross multiply
    2,150,538,990x = 3,379,149,261 × 3,379,149,261
  4. Step 4: Simplify right side
    2,150,538,990x = 11,418,649,728,116,846,592
  5. Step 5: Solve for x
    x = 11,418,649,728,116,846,592/2,150,538,990
  6. Step 6: Final answer
    x = 5,309,668,776.62

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.