What three numbers have an average of 782?
Part 1: Understanding the Problem
We're looking for three numbers whose average is 782. This means if we add these three numbers together and divide by 3, we should get 782.
Step-by-step Solution:
- Recall the average formula: Average = (Sum of numbers) / (Count of numbers)
- In this case: 782 = (x + y + z) / 3
- To find the sum, multiply both sides by 3: 782 * 3 = x + y + z
- So, the sum of our three numbers should be: 2346
Part 2: Finding Solutions
Now, let's find multiple sets of three numbers that add up to 2346.
Solution 1:
782, 782, 782
Verification:
(782 + 782 + 782) / 3 = 2346 / 3 ≈ 782
This solution is correct!
Solution 2:
782, 782, 782
Verification:
(782 + 782 + 782) / 3 = 2346 / 3 ≈ 782
This solution is correct!
Solution 3:
2187, 130, 29
Verification:
(2187 + 130 + 29) / 3 = 2346 / 3 ≈ 782
This solution is correct!
Solution 4:
544, 1761, 41
Verification:
(544 + 1761 + 41) / 3 = 2346 / 3 ≈ 782
This solution is correct!
Solution 5:
1267, 369, 710
Verification:
(1267 + 369 + 710) / 3 = 2346 / 3 ≈ 782
This solution is correct!
Explanation:
As you can see, there are many possible solutions. We can find more by:
- Choosing any two numbers
- Subtracting their sum from 2346 to get the third number
Remember:
- The numbers don't have to be whole numbers.
- They can even be negative (although that might not make sense in some real-world contexts).
- The order of the numbers doesn't matter for the average.