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Finding the Third Proportional to 18,418,245 and 40,104,057

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Solution

The third proportional to 18,418,245 and 40,104,057 is: 87,322,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,245 : 40,104,057 = 40,104,057 : x
  2. Step 2: Convert to fraction form
    18,418,245/40,104,057 = 40,104,057/x
  3. Step 3: Cross multiply
    18,418,245x = 40,104,057 × 40,104,057
  4. Step 4: Simplify right side
    18,418,245x = 1,608,335,387,859,249
  5. Step 5: Solve for x
    x = 1,608,335,387,859,249/18,418,245
  6. Step 6: Final answer
    x = 87,322,944.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.