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Finding the Third Proportional to 179,792,666 and 394,581,084

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Solution

The third proportional to 179,792,666 and 394,581,084 is: 865,965,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,792,666 : 394,581,084 = 394,581,084 : x
  2. Step 2: Convert to fraction form
    179,792,666/394,581,084 = 394,581,084/x
  3. Step 3: Cross multiply
    179,792,666x = 394,581,084 × 394,581,084
  4. Step 4: Simplify right side
    179,792,666x = 155,694,231,850,615,040
  5. Step 5: Solve for x
    x = 155,694,231,850,615,040/179,792,666
  6. Step 6: Final answer
    x = 865,965,421.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.