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What Is The Middle Number Between 3 And 21 ?

The middle number between 3 and 21 is 12.

How to find the middle number between 3 and 21 ?

From 3 to 21 there are 17 numbers.

  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20

Formula :

( Number1 + Number2 ) ÷ 2

Solution :

( 3 + 21 ) ÷ 2 = 12

Average or Midpoint Between 3 and 21

The middle number between 3 and 21 is 12.

Similar Calculations :

Number 1 Number 2 Middle Number Numbers Between How To Calculate ?
3 694 348.5 690 Middle Number 3 - 694
3 485 244 481 Middle Number 3 - 485
3 62 32.5 58 Middle Number 3 - 62
3 150 76.5 146 Middle Number 3 - 150

Find the Middle Number

Enter two numbers to find the middle number between them.