
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The forest areas (unit: $km^{2}$) in a certain place in the years $2020$, $2021$, and $2022$ are $a$, $b$, and $c$ respectively. If the growth rate of forest area in $2022$ is the same as that in $2021$, then the quantitative relationship satisfied by $a$, $b$, and $c$ is ______.

Present the answer in LaTex format: \boxed{Your answer}
user