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Finding the Third Proportional to 77,743,728 and 179,981,496

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Solution

The third proportional to 77,743,728 and 179,981,496 is: 416,668,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743,728 : 179,981,496 = 179,981,496 : x
  2. Step 2: Convert to fraction form
    77,743,728/179,981,496 = 179,981,496/x
  3. Step 3: Cross multiply
    77,743,728x = 179,981,496 × 179,981,496
  4. Step 4: Simplify right side
    77,743,728x = 32,393,338,902,398,016
  5. Step 5: Solve for x
    x = 32,393,338,902,398,016/77,743,728
  6. Step 6: Final answer
    x = 416,668,196.08

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.