Old Ratio of X and Y is 3 : 2. X's sacrifice=13×35=315Y's sacrifice=110Sacrificing Ratio=315:110or 2 :1
New Ratio = Old Share − Share Sacrificed
X's new share=35-315=615Y's new share=25-110=310Z's share=315+110=930New Ratio=615:310:930=4 :3 : 3