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Finding the Third Proportional to 192,469,290 and 395,141,961

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Solution

The third proportional to 192,469,290 and 395,141,961 is: 811,231,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469,290 : 395,141,961 = 395,141,961 : x
  2. Step 2: Convert to fraction form
    192,469,290/395,141,961 = 395,141,961/x
  3. Step 3: Cross multiply
    192,469,290x = 395,141,961 × 395,141,961
  4. Step 4: Simplify right side
    192,469,290x = 156,137,169,342,925,536
  5. Step 5: Solve for x
    x = 156,137,169,342,925,536/192,469,290
  6. Step 6: Final answer
    x = 811,231,596.18

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.