1. **State the problem:** We need to find the sum of the three prime numbers in the list: 12, 27, 23, 47, 51, 61, 75, 93. 2. **Identify prime numbers:** A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. 3. **Check each number:** - 12: divisible by 2, not prime. - 27: divisible by 3, not prime. - 23: prime. - 47: prime. - 51: divisible by 3, not prime. - 61: prime. - 75: divisible by 3 and 5, not prime. - 93: divisible by 3, not prime. 4. **Sum the prime numbers:** $$23 + 47 + 61 = 131$$ 5. **Final answer:** The sum of the three prime numbers is **131**.