What three numbers have an average of 523?
Part 1: Understanding the Problem
We're looking for three numbers whose average is 523. This means if we add these three numbers together and divide by 3, we should get 523.
Step-by-step Solution:
- Recall the average formula: Average = (Sum of numbers) / (Count of numbers)
- In this case: 523 = (x + y + z) / 3
- To find the sum, multiply both sides by 3: 523 * 3 = x + y + z
- So, the sum of our three numbers should be: 1569
Part 2: Finding Solutions
Now, let's find multiple sets of three numbers that add up to 1569.
Solution 1:
523, 523, 523
Verification:
(523 + 523 + 523) / 3 = 1569 / 3 ≈ 523
This solution is correct!
Solution 2:
523, 523, 523
Verification:
(523 + 523 + 523) / 3 = 1569 / 3 ≈ 523
This solution is correct!
Solution 3:
357, 485, 727
Verification:
(357 + 485 + 727) / 3 = 1569 / 3 ≈ 523
This solution is correct!
Solution 4:
475, 317, 777
Verification:
(475 + 317 + 777) / 3 = 1569 / 3 ≈ 523
This solution is correct!
Solution 5:
1547, 21, 1
Verification:
(1547 + 21 + 1) / 3 = 1569 / 3 ≈ 523
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 1569 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.