Many single men today believe that sleeping with prostitutes and that they are not being unfaithful to anybody. These ladies have consented to the activity. Is this thinking right or wrong?

Many single men today believe that sleeping with prostitutes does not go against the third Buddhist precept, which is to avoid adultery. This is because they feel that they are not being unfaithful to anybody. These ladies have consented to the activity. Is this thinking right or wrong?