A rancher has a 3-sided plot of land that will be used for grazing sheep. Each side length is a multiple of 100. One side is 300-yards long and another side is 600 yards long. What is the shortest possible length of the third side of the 3-sided plot of land? Let 300 + ? >600 .
The shortest possible length of the third side of the 3-sided plot of land is blank
yards long.