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Finding the Third Proportional to 394,783,593 and 855,398,107.50

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Solution

The third proportional to 394,783,593 and 855,398,107.50 is: 1,853,435,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,783,593 : 855,398,107.50 = 855,398,107.50 : x
  2. Step 2: Convert to fraction form
    394,783,593/855,398,107.50 = 855,398,107.50/x
  3. Step 3: Cross multiply
    394,783,593x = 855,398,107.50 × 855,398,107.50
  4. Step 4: Simplify right side
    394,783,593x = 731,705,922,314,581,504
  5. Step 5: Solve for x
    x = 731,705,922,314,581,504/394,783,593
  6. Step 6: Final answer
    x = 1,853,435,490.45

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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.