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Finding the Third Proportional to 19,942,041 and 43,378,122

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Solution

The third proportional to 19,942,041 and 43,378,122 is: 94,356,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,041 : 43,378,122 = 43,378,122 : x
  2. Step 2: Convert to fraction form
    19,942,041/43,378,122 = 43,378,122/x
  3. Step 3: Cross multiply
    19,942,041x = 43,378,122 × 43,378,122
  4. Step 4: Simplify right side
    19,942,041x = 1,881,661,468,246,884
  5. Step 5: Solve for x
    x = 1,881,661,468,246,884/19,942,041
  6. Step 6: Final answer
    x = 94,356,513.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.