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Finding the Third Proportional to 18,919,470 and 41,372,241

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Solution

The third proportional to 18,919,470 and 41,372,241 is: 90,470,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,470 : 41,372,241 = 41,372,241 : x
  2. Step 2: Convert to fraction form
    18,919,470/41,372,241 = 41,372,241/x
  3. Step 3: Cross multiply
    18,919,470x = 41,372,241 × 41,372,241
  4. Step 4: Simplify right side
    18,919,470x = 1,711,662,325,362,081
  5. Step 5: Solve for x
    x = 1,711,662,325,362,081/18,919,470
  6. Step 6: Final answer
    x = 90,470,944.77

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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.