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Finding the Third Proportional to 19,942,070 and 43,378,195

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Solution

The third proportional to 19,942,070 and 43,378,195 is: 94,356,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,070 : 43,378,195 = 43,378,195 : x
  2. Step 2: Convert to fraction form
    19,942,070/43,378,195 = 43,378,195/x
  3. Step 3: Cross multiply
    19,942,070x = 43,378,195 × 43,378,195
  4. Step 4: Simplify right side
    19,942,070x = 1,881,667,801,458,025
  5. Step 5: Solve for x
    x = 1,881,667,801,458,025/19,942,070
  6. Step 6: Final answer
    x = 94,356,694.24

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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.