
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
Given a geometric sequence ${a_n}$ where all terms are positive and the common ratio is $q$, the sum of the first $n$ terms is $S_n$. If for all $n \in \mathbb{N}^*$, it holds that $$\frac {S_{2n}}{S_{n}} < 5$$, find the range of $q$.

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