GOD'S WORD® Translation
When that day comes, Tyre will be forgotten for 70 years, the lifetime of one king. At the end of the 70 years, Tyre will be like the prostitute in this song:

American Standard Version
And it shall come to pass in that day, that Tyre shall be forgotten seventy years, according to the days of one king: after the end of seventy years it shall be unto Tyre as in the song of the harlot.

Berean Study Bible
At that time Tyre will be forgotten for seventy years—the span of a king’s life. But at the end of seventy years, it will happen to Tyre as in the song of the harlot:

Douay-Rheims Bible
And it shall come to pass in that day that thou, O Tyre, shalt be forgotten, seventy years, according to the days of one king: but after seventy years, there shall be unto Tyre as the song of a harlot.

English Revised Version
And it shall come to pass in that day, that Tyre shall be forgotten seventy years, according to the days of one king: after the end of seventy years it shall be unto Tyre as in the song of the harlot.

King James Bible
And it shall come to pass in that day, that Tyre shall be forgotten seventy years, according to the days of one king: after the end of seventy years shall Tyre sing as an harlot.

World English Bible
It will come to pass in that day that Tyre will be forgotten seventy years, according to the days of one king. After the end of seventy years it will be to Tyre like in the song of the prostitute.

Young's Literal Translation
And it hath come to pass, in that day, That forgotten is Tyre seventy years, According to the days of one king. At the end of seventy years there is to Tyre as the song of the harlot.

Isaiah 23:15 Additional Translations ...