By following the below steps we can Copy one problem solution and workaround to all associated incidents
Instructions
1. Create a problem ticket.
2. Associate incidents to the problem to the ticket.
3. Under Admin>Problem Closure Rules you can set the below rules
4. In the problem request, you can add the Solutions and close the problem which will close all the requests with a solution attached to the resolution.
Please check the solution with few test requests or with UAT to verify if it had satisfied your requirements.