A city data report shows that 1/3 of the parks in that area have a flagpole. If the city decides to install more flagpoles in another 1/3 of the parks, what is the total fractional portion of parks that have flagpoles?

If 1/3 of the parks have a flagpole and the city decides to install flagpoles in another 1/3 of the parks, then the total fractional portion of parks that have flagpoles would be 1/3 + 1/3 = 2/3.