# Augmented third

In classical music from Western culture, an **augmented third** (

Inverse | diminished sixth |
---|---|

Name | |

Other names | - |

Abbreviation | A3[1] |

Size | |

Semitones | 5 |

Interval class | 5 |

Just interval | 125:96,[2] 21:16, 64:49 |

Cents | |

Equal temperament | 500 |

24 equal temperament | 500 |

Just intonation | 457 |

Its inversion is the diminished sixth, and its enharmonic equivalent is the perfect fourth.

The just augmented third, E♯, is 456.99 cents or 125:96.

## Sources

- Benward & Saker (2003).
*Music: In Theory and Practice, Vol. I*, p.54. ISBN 978-0-07-294262-0. - Haluska, Jan (2003).
*The Mathematical Theory of Tone Systems*, p.xxvi. ISBN 0-8247-4714-3. Classic augmented third. - Hoffmann, F.A. (1881).
*Music: Its Theory & Practice*, p.89-90. Thurgate & Sons. Digitized Aug 16, 2007. Archaically:**superfluous third**. - Benward & Saker (2003), p.92.

This article is issued from
Wikipedia.
The text is licensed under Creative
Commons - Attribution - Sharealike.
Additional terms may apply for the media files.