Use an exposed filter as contextual filter on another view
Please follow below steps to achieve functionality that you are looking for.


Disable AJAX feature for view.
In the block view add a contextual filter and select type as Provide default value >> Type as php code.
In the php code read the exposed filter value using $_GET[]
Return the value you got from $_GET to contextual filter.


In that way you can able to pass exposed filter value to the contextual filter.