Find the common difference between consecutive terms.

• 2605 − 2805 = −200
• The pattern decreases by 200 each step.
• First blank: 2405 − 200 = 2205
• Second blank: 2205 − 200 = 2005
• Third blank: 2005 − 200 = 1805

Final Answer: 2205, 2005, 1805