द्विगुणो द्वितीयं त्रिगुनस्तृतीयम् ॥ कZ_०७.१८.०९ ॥
dviguṇo dvitīyaṃ triguṇas tṛtīyam
O segundo (aliado) torna-o em dobro; o terceiro torna-o em triplo.
It functions as strategic shorthand: additional reliable partners increase capability disproportionately by adding troops, fronts, logistics, and legitimacy.