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Finding the Third Proportional to 19,942,113 and 43,378,266

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Solution

The third proportional to 19,942,113 and 43,378,266 is: 94,356,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,113 : 43,378,266 = 43,378,266 : x
  2. Step 2: Convert to fraction form
    19,942,113/43,378,266 = 43,378,266/x
  3. Step 3: Cross multiply
    19,942,113x = 43,378,266 × 43,378,266
  4. Step 4: Simplify right side
    19,942,113x = 1,881,673,961,166,756
  5. Step 5: Solve for x
    x = 1,881,673,961,166,756/19,942,113
  6. Step 6: Final answer
    x = 94,356,799.66

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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.