c/a=db/r for a

Discussion in 'Calculator Requests' started by math_celebrity, Jan 8, 2022.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    c/a=db/r for a

    Cross multiply the proportion:
    cr = adb

    Divide each side of the equation by db to isolate a:
    cr/db = adb/db

    Cancel the db terms on the left side and we get:
    a = cr/db

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