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Finding the Third Proportional to 18,919,387 and 41,372,054

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Solution

The third proportional to 18,919,387 and 41,372,054 is: 90,470,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,387 : 41,372,054 = 41,372,054 : x
  2. Step 2: Convert to fraction form
    18,919,387/41,372,054 = 41,372,054/x
  3. Step 3: Cross multiply
    18,919,387x = 41,372,054 × 41,372,054
  4. Step 4: Simplify right side
    18,919,387x = 1,711,646,852,178,916
  5. Step 5: Solve for x
    x = 1,711,646,852,178,916/18,919,387
  6. Step 6: Final answer
    x = 90,470,523.82

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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.