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Finding the Third Proportional to 18,936,111 and 41,415,162

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Solution

The third proportional to 18,936,111 and 41,415,162 is: 90,579,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,111 : 41,415,162 = 41,415,162 : x
  2. Step 2: Convert to fraction form
    18,936,111/41,415,162 = 41,415,162/x
  3. Step 3: Cross multiply
    18,936,111x = 41,415,162 × 41,415,162
  4. Step 4: Simplify right side
    18,936,111x = 1,715,215,643,486,244
  5. Step 5: Solve for x
    x = 1,715,215,643,486,244/18,936,111
  6. Step 6: Final answer
    x = 90,579,086.88

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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.