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Try ratios like: '1 : 10', '5 to 6', '10' (will be taken as 10 : 1), '1000000'

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Height of Chewbacca in the Star Wars movies (2.21 m)...

: Height of the R2-D2 droid in the Star Wars movies (1.09 m) ...

Longest golf drive (471 m)...

: Length of the Pont Neuf bridge over the Seine (232 m) ...

Length of the Volga River in Russia (3,640 km)...

: Length of the Limpopo River (1,800 km) ...

Length of the Tigris River (1,950 km)...

: Direct distance from Land's End to John o' Groats (970 km) ...

World record longest flight of an arrow from a bow (2010) (484 m)...

: Length of Tower Bridge over the Thames (244 m) ...

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