(1) A person is guilty of rape in the third degree when, under circumstances not constituting rape in the first or second degrees, such person engages in sexual intercourse with another person:
(a) Where the victim did not consent as defined in *RCW
9A.44.010(7), to sexual intercourse with the perpetrator; or
(b) Where there is threat of substantial unlawful harm to property rights of the victim.
(2) Rape in the third degree is a class C felony.