Rat/Virgo and Dog/Virgo land near 80-85%. They meet on Virgo terms, each a useful, quietly perfectionist mind, but a Rat and a Dog want different things once the pleasantries end.
Both love the Virgo way, so each loves by tending the small things. Beyond that shared manner, Rat/Virgo brings sharp instincts for people and for money, and Dog/Virgo brings steady loyalty and a reliable sense of right. Where those gifts complement, the warmth is real; where they compete, Virgo politeness papers over it for a while.
On the surface they agree, since each talks in careful, well-chosen detail. But the Rat is clever and the Dog is loyal, so the same words carry different weather. Naming that gap early keeps the Virgo calm from sliding into quiet drift.
Trouble comes when the Rat calculates a shade too coldly when cornered, while the Dog frets and turns anxious over what might go wrong. The Virgo reflex is to keep things smooth, which can bury a difference instead of settling it. Aired honestly it is workable; buried, it lingers.
The Rat's clever streak and the Dog's loyal one can trade places, each teaching the other its trick. Shared Virgo taste is the bridge they already trust.
At 80-85%, Rat/Virgo and Dog/Virgo are strong compatibility. Two different Virgo hearts who share a style, with real ground to build on once they trade the surface calm for the honest conversation.