Final answer:
The transition from Quick Time to Double Time in a marching context is immediate upon command and does not have a fixed number of Quick Time steps before the transition.
Step-by-step explanation:
The question regarding transitioning from Quick Time to Double Time in a marching context does not relate to any of the provided reference steps, which seem to pertain to scientific measurement or mathematical calculations associated with physical movements.
However, in a marching context, typically Double Time is executed after a command is given, which means there's no fixed number of steps a marcher takes in Quick Time before transitioning to Double Time. The transition is immediate upon command. If this is related to a drill or a specific marching band protocol, it might be specified in the drill's standard operating procedures or command structure rather than having a universal standard.