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Finding the Third Proportional to 18,418,249 and 40,104,065

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Solution

The third proportional to 18,418,249 and 40,104,065 is: 87,322,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,249 : 40,104,065 = 40,104,065 : x
  2. Step 2: Convert to fraction form
    18,418,249/40,104,065 = 40,104,065/x
  3. Step 3: Cross multiply
    18,418,249x = 40,104,065 × 40,104,065
  4. Step 4: Simplify right side
    18,418,249x = 1,608,336,029,524,225
  5. Step 5: Solve for x
    x = 1,608,336,029,524,225/18,418,249
  6. Step 6: Final answer
    x = 87,322,960.48

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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.