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Finding the Third Proportional to 18,661,006,870 and 41,125,721,218

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Solution

The third proportional to 18,661,006,870 and 41,125,721,218 is: 90,634,174,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,006,870 : 41,125,721,218 = 41,125,721,218 : x
  2. Step 2: Convert to fraction form
    18,661,006,870/41,125,721,218 = 41,125,721,218/x
  3. Step 3: Cross multiply
    18,661,006,870x = 41,125,721,218 × 41,125,721,218
  4. Step 4: Simplify right side
    18,661,006,870x = 1,691,324,945,700,655,464,448
  5. Step 5: Solve for x
    x = 1,691,324,945,700,655,464,448/18,661,006,870
  6. Step 6: Final answer
    x = 90,634,174,108.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.