The mediant of B flat major is D.
The mediant of any major scale is the note that is a third above the tonic (root) of the scale. In the key of F sharp major, the tonic is F sharp, so the mediant would be A sharp.
The third scale degree is called the mediant.
Bb C D Eb F G A Bb
In ascending order, the names for each scale degree are the tonic, supertonic, mediant, subdominant, dominant, submediant, leading tone, and the tonic again.
f, g, a, bflat, c, d, e, f
The mediant of any major scale is the note that is a third above the tonic (root) of the scale. In the key of F sharp major, the tonic is F sharp, so the mediant would be A sharp.
The mediant is the 3rd of the scale, so in B-flat it's D.
The third note of the diatonic scale of any key.
D natural
The third scale degree is called the mediant.
The third note in a major or minor scale is called a mediant.
The mediant is the third note of a scale so the mediant of D flat is E
Bb C D Eb F G A Bb
Mediant
mediant
In a major scale, the tonic is the first note and serves as the main key center. The supertonic is the second note, the mediant is the third note, the subdominant is the fourth note, the dominant is the fifth note, and the submediant is the sixth note. These notes create a specific pattern of intervals that give the major scale its characteristic sound.
In ascending order, the names for each scale degree are the tonic, supertonic, mediant, subdominant, dominant, submediant, leading tone, and the tonic again.