This is the 9287th most frequent Polish word.
trzykrotnie
"Trzykrotnie" means "three times" in English.
In this sentence, "trzykrotnie" is used as an adverb to indicate the frequency of an action, specifically that the announcement occurred three times.
Zwycięzcę konkursu ogłoszono trzykrotnie dla wszystkich uczestników.
The winner of the contest was announced three times for all participants.
Here, "trzykrotnie" again functions as an adverb describing the repetition of attempts that Piotr made in his action.
Piotr trzykrotnie próbował otworzyć drzwi, zanim się udało.
Piotr attempted to open the door three times before he succeeded.
In this usage, "trzykrotnie" expresses the multiplier effect applied to the sum, highlighting that it was increased threefold.