How do we know that Christ is our propitiation according to the Bible?

Romans 3:24-26 clearly states that Christ has been set forth as a propitiation through faith in His blood. This means that by His sacrificial death, Christ has turned away the just wrath of God that was upon us due to our sins. His blood is the means by which we obtain mercy, aligning with the picture of the mercy seat described in the Old Testament, where the high priest would sprinkle blood for atonement once a year. By believing in Christ, we are justified freely by His grace, demonstrating that God can forgive sins without compromising His justice. Thus, through Christ, we see both God's justice and His grace working in harmony.