# Duplicate values in multiple columns

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M3TM3T Posts 2 Registration date Saturday November 5, 2016 Status Member Last seen November 5, 2016 - Nov 5, 2016 at 12:23 PM
M3TM3T Posts 2 Registration date Saturday November 5, 2016 Status Member Last seen November 5, 2016 - Nov 5, 2016 at 01:25 PM
Hello,
I'm looking for a formula for a case mentioned below:
Consider we have values in three columns

I need to find a formula which compare columns B and C, wherever values of B are repeated in C, return customer's number in D. for example. in first row, the main value is 0.5 which goes to costumer NO 1. the value of 0.5 is repeated for costumer 3 so I need formula print the value 3 (costumer NO) in column D
RED values are my desired answers
I am grateful for any help.

## 1 response

Mazzaropi Posts 1985 Registration date Monday August 16, 2010 Status Contributor Last seen May 24, 2023 147
Nov 5, 2016 at 12:34 PM
M3TM3T, Good afternoon.

Try to use:

D2 --> =INDEX(\$A\$2:\$A\$7, MATCH(C2, \$B\$2:\$B\$7, 0))

Is that what you want?
I hope it helps.
--
Belo Horizonte, Brasil.
Marcílio Lobão
M3TM3T Posts 2 Registration date Saturday November 5, 2016 Status Member Last seen November 5, 2016
Nov 5, 2016 at 01:25 PM
Hurrah
You are my hero. thanks a lot.
It works like a charm.