This isn’t how alignment works. You don’t get the third highest hsc mark from your cohort as your internal if you’re rank 3 internally. The schools don’t just submit ranks they have to submit marks as NESA aligned marks and UAC aggregate marks also factor in relative mark distribution. I.e. a rank 2 who was really close to rank1 will get a lot better of a mark then a rank 2 who was really far away from rank 1 in internal mark. Additionally outliers are still factored in this calculation, although how it happens isn’t made clear by NESA or uac. The only things we know for sure are that the mean of the unrounded exam marks must = the mean of the unrounded internal marks, and NESA tries when possible to give the rank 1 the highest exam mark as their internal and the same for the lowest rank with lowest exam mark, and that everyone else gets a mark proportional to the relative mark distribution of their school submitted internals.
This stuff changes when outliers are involved. For eg, I was rank 2 in chemistry in school assignments and received a 93 exam mark (highest in the cohort) and our rank 1 received a 78 exam mark (second highest in the cohort). I was treated as an outlier and received a 93 internal mark, and our rank 1 somehow received a 94 internal mark (higher than any exam mark received in the cohort).