Aritmética

[𝑥＋𝑦]
━━━━━
  ２

ₙ
∑   𝑥ᵢ
i    n̅

Geométrica

[𝑥𝑦]⁻²

√𝑥𝑦

  ₙ
[ ∏ 𝑥ᵢ]⁻ⁿ 
  i

   ₙ
ⁿ√ ∏ 𝑥ᵢ  
   i

Relaciones

geometric mean is not larger than the "arithmetic mean" √𝑥𝑦 ≤ (𝑥＋𝑦)⁄２