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Finding the Third Proportional to 18,873,387 and 41,279,305

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Solution

The third proportional to 18,873,387 and 41,279,305 is: 90,284,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873,387 : 41,279,305 = 41,279,305 : x
  2. Step 2: Convert to fraction form
    18,873,387/41,279,305 = 41,279,305/x
  3. Step 3: Cross multiply
    18,873,387x = 41,279,305 × 41,279,305
  4. Step 4: Simplify right side
    18,873,387x = 1,703,981,021,283,025
  5. Step 5: Solve for x
    x = 1,703,981,021,283,025/18,873,387
  6. Step 6: Final answer
    x = 90,284,855.67

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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.