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Finding the Third Proportional to 815,149,354 and 1,722,305,108

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Solution

The third proportional to 815,149,354 and 1,722,305,108 is: 3,639,007,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,149,354 : 1,722,305,108 = 1,722,305,108 : x
  2. Step 2: Convert to fraction form
    815,149,354/1,722,305,108 = 1,722,305,108/x
  3. Step 3: Cross multiply
    815,149,354x = 1,722,305,108 × 1,722,305,108
  4. Step 4: Simplify right side
    815,149,354x = 2,966,334,885,042,891,776
  5. Step 5: Solve for x
    x = 2,966,334,885,042,891,776/815,149,354
  6. Step 6: Final answer
    x = 3,639,007,833.95

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.