The predicted playing XI for the 3rd WT20I match between Sri Lanka Women and Bangladesh Women is not explicitly mentioned in the provided evidence. However, the evidence does provide the predicted playing XI for the 3rd WT20I match between India Women and Sri Lanka Women. According to the evidence, the predicted playing XI for India Women includes Smriti Mandhana, Harmanpreet Kaur, Shafali Verma, Yastika Bhatia, Richa Ghosh, Deepti Sharma, Sneh Rana, Renuka Singh, Meghna Singh, Rajeshwari Gayakwad, and Anjali Sarvani.
The evidence does not provide the predicted playing XI for Sri Lanka Women or Bangladesh Women in the 3rd WT20I match. It only provides information about the 3rd WT20I match between India Women and Sri Lanka Women. Therefore, the playing XI for Sri Lanka Women and Bangladesh Women in the 3rd WT20I match cannot be verified based on the provided evidence.