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Finding the Third Proportional to 18,661,007,690 and 41,125,723,156

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Solution

The third proportional to 18,661,007,690 and 41,125,723,156 is: 90,634,178,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,007,690 : 41,125,723,156 = 41,125,723,156 : x
  2. Step 2: Convert to fraction form
    18,661,007,690/41,125,723,156 = 41,125,723,156/x
  3. Step 3: Cross multiply
    18,661,007,690x = 41,125,723,156 × 41,125,723,156
  4. Step 4: Simplify right side
    18,661,007,690x = 1,691,325,105,103,954,509,824
  5. Step 5: Solve for x
    x = 1,691,325,105,103,954,509,824/18,661,007,690
  6. Step 6: Final answer
    x = 90,634,178,668.19

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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.