Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Ezekiel 40:29

and the chambers, and the posts, and the porches, according to these measures: and [there were] windows to it and to the porches round about: its length was fifty cubits, and [its] breadth twenty-five cubits,

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