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Finding the Third Proportional to 816,092,661.80 and 1,770,741,945.42

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Solution

The third proportional to 816,092,661.80 and 1,770,741,945.42 is: 3,842,121,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,092,661.80 : 1,770,741,945.42 = 1,770,741,945.42 : x
  2. Step 2: Convert to fraction form
    816,092,661.80/1,770,741,945.42 = 1,770,741,945.42/x
  3. Step 3: Cross multiply
    816,092,661.80x = 1,770,741,945.42 × 1,770,741,945.42
  4. Step 4: Simplify right side
    816,092,661.80x = 3,135,527,037,276,180,480
  5. Step 5: Solve for x
    x = 3,135,527,037,276,180,480/816,092,661.80
  6. Step 6: Final answer
    x = 3,842,121,347.31

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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.