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Finding the Third Proportional to 19,942,069 and 43,378,193

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Solution

The third proportional to 19,942,069 and 43,378,193 is: 94,356,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,069 : 43,378,193 = 43,378,193 : x
  2. Step 2: Convert to fraction form
    19,942,069/43,378,193 = 43,378,193/x
  3. Step 3: Cross multiply
    19,942,069x = 43,378,193 × 43,378,193
  4. Step 4: Simplify right side
    19,942,069x = 1,881,667,627,945,249
  5. Step 5: Solve for x
    x = 1,881,667,627,945,249/19,942,069
  6. Step 6: Final answer
    x = 94,356,690.27

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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.