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Finding the Third Proportional to 18,857,448 and 41,418,378

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Solution

The third proportional to 18,857,448 and 41,418,378 is: 90,971,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857,448 : 41,418,378 = 41,418,378 : x
  2. Step 2: Convert to fraction form
    18,857,448/41,418,378 = 41,418,378/x
  3. Step 3: Cross multiply
    18,857,448x = 41,418,378 × 41,418,378
  4. Step 4: Simplify right side
    18,857,448x = 1,715,482,036,150,884
  5. Step 5: Solve for x
    x = 1,715,482,036,150,884/18,857,448
  6. Step 6: Final answer
    x = 90,971,060.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.