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Finding the Third Proportional to 21,899,118 and 47,260,667

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Solution

The third proportional to 21,899,118 and 47,260,667 is: 101,993,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,118 : 47,260,667 = 47,260,667 : x
  2. Step 2: Convert to fraction form
    21,899,118/47,260,667 = 47,260,667/x
  3. Step 3: Cross multiply
    21,899,118x = 47,260,667 × 47,260,667
  4. Step 4: Simplify right side
    21,899,118x = 2,233,570,645,284,889
  5. Step 5: Solve for x
    x = 2,233,570,645,284,889/21,899,118
  6. Step 6: Final answer
    x = 101,993,634.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.