:
26:3 = r / c
17:5 = v / a
12:3 = h / r
35:7 = j / r
36:5 = r / o
4:4 = m / t
So as an attempt to solve the third part, I went to SO1029's Twitter and used the following formula:
tweet:character
The first column is counting from the newest towards the oldest and the second (much more promising alternative) is vice-versa. As you can see we got the word "carrot".
However, I have no idea what to do with it.