Hi lapnjusa!

You could stay on induction for another week or two, but with only 20 pounds to lose (I know it seems like a lot to you), I'd recommend going into the ongoing weight loss phase (OWL) fairly soon so you have plenty of time to get used to your new way of eating (WOE) before you get to your goal. You need a bit of time to experiment with different foods and slowly increasing your carbs so that you will know how to maintain your weight loss once you get to your goal.
If you stay on induction until you get to your goal weight, you may find it more difficult keeping the weight off and finding the right carb level at which you can maintain.