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Finding the Third Proportional to 182,181,309 and 393,392,368

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Solution

The third proportional to 182,181,309 and 393,392,368 is: 849,469,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,181,309 : 393,392,368 = 393,392,368 : x
  2. Step 2: Convert to fraction form
    182,181,309/393,392,368 = 393,392,368/x
  3. Step 3: Cross multiply
    182,181,309x = 393,392,368 × 393,392,368
  4. Step 4: Simplify right side
    182,181,309x = 154,757,555,200,647,424
  5. Step 5: Solve for x
    x = 154,757,555,200,647,424/182,181,309
  6. Step 6: Final answer
    x = 849,469,992.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.