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Finding the Third Proportional to 19,728,198 and 43,227,756

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Solution

The third proportional to 19,728,198 and 43,227,756 is: 94,719,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728,198 : 43,227,756 = 43,227,756 : x
  2. Step 2: Convert to fraction form
    19,728,198/43,227,756 = 43,227,756/x
  3. Step 3: Cross multiply
    19,728,198x = 43,227,756 × 43,227,756
  4. Step 4: Simplify right side
    19,728,198x = 1,868,638,888,795,536
  5. Step 5: Solve for x
    x = 1,868,638,888,795,536/19,728,198
  6. Step 6: Final answer
    x = 94,719,187.67

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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.