The average of the first 208 natural numbers


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Here we will define and show you the formula and the math to calculate the average of the first 208 natural numbers.

The first 208 natural numbers are the whole numbers (integers) that start with 1 and end with 208. To make a list of the first 208 natural numbers, you simply count up to 208.

To get the average of those 208 numbers, you add them up and then divide the sum by 208. We created a formula that can calculate the average of any sequence of natural numbers starting with 1. Here is the formula to calculate the average (avg) of the first n natural numbers:

avg = ((n × (n + 1)) ÷ 2) ÷ n

When we enter n = 208 in our formula, we get the average of the first 208 natural numbers. Here is the math and the answer:

avg = ((n × (n + 1)) ÷ 2) ÷ n
avg = ((208 × (208 + 1)) ÷ 2) ÷ 208
avg = ((208 × 209) ÷ 2) ÷ 208
avg = (43472 ÷ 2) ÷ 208
avg = 21736 ÷ 208
average = 104.5


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