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Finding the Third Proportional to 7,628,286 and 18,003,906

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Solution

The third proportional to 7,628,286 and 18,003,906 is: 42,491,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,286 : 18,003,906 = 18,003,906 : x
  2. Step 2: Convert to fraction form
    7,628,286/18,003,906 = 18,003,906/x
  3. Step 3: Cross multiply
    7,628,286x = 18,003,906 × 18,003,906
  4. Step 4: Simplify right side
    7,628,286x = 324,140,631,256,836
  5. Step 5: Solve for x
    x = 324,140,631,256,836/7,628,286
  6. Step 6: Final answer
    x = 42,491,934.79

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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.