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Finding the Third Proportional to 18,904,144 and 41,467,872

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Solution

The third proportional to 18,904,144 and 41,467,872 is: 90,963,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,144 : 41,467,872 = 41,467,872 : x
  2. Step 2: Convert to fraction form
    18,904,144/41,467,872 = 41,467,872/x
  3. Step 3: Cross multiply
    18,904,144x = 41,467,872 × 41,467,872
  4. Step 4: Simplify right side
    18,904,144x = 1,719,584,408,208,384
  5. Step 5: Solve for x
    x = 1,719,584,408,208,384/18,904,144
  6. Step 6: Final answer
    x = 90,963,357.46

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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.