Watch this short video to see how easy it is to divide a parcel into equal-sized pieces. Just specify how many parts, and the bearing of the dividing line. This video was recorded using ArcGIS Pro version 2.8 in July 2021.
For further parcel data training, check out Esri's Working with Parcel Data in ArcGIS Pro course: https://bit.ly/3OtMMc9.