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Finding the Third Proportional to 1,836,206,892 and 3,984,166,201.50

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Solution

The third proportional to 1,836,206,892 and 3,984,166,201.50 is: 8,644,766,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,206,892 : 3,984,166,201.50 = 3,984,166,201.50 : x
  2. Step 2: Convert to fraction form
    1,836,206,892/3,984,166,201.50 = 3,984,166,201.50/x
  3. Step 3: Cross multiply
    1,836,206,892x = 3,984,166,201.50 × 3,984,166,201.50
  4. Step 4: Simplify right side
    1,836,206,892x = 15,873,580,321,174,937,600
  5. Step 5: Solve for x
    x = 15,873,580,321,174,937,600/1,836,206,892
  6. Step 6: Final answer
    x = 8,644,766,769.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.