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Finding the Third Proportional to 18,919,667 and 41,501,812

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Solution

The third proportional to 18,919,667 and 41,501,812 is: 91,037,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,667 : 41,501,812 = 41,501,812 : x
  2. Step 2: Convert to fraction form
    18,919,667/41,501,812 = 41,501,812/x
  3. Step 3: Cross multiply
    18,919,667x = 41,501,812 × 41,501,812
  4. Step 4: Simplify right side
    18,919,667x = 1,722,400,399,283,344
  5. Step 5: Solve for x
    x = 1,722,400,399,283,344/18,919,667
  6. Step 6: Final answer
    x = 91,037,564.21

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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.