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What does a ratio of 1 : 1 look like?

Length of an iPhone 7 plus (158.2 mm)...

: Length of a Samsung Galaxy S8+ smartphone (159.5 mm) ...

Length of the Kazakhstan-Russia border (6,850 km)...

: Length of the Nile River (6,850 km) ...

Length of the Murray-Darling River in Australia (3,670 km)...

: Length of the Mississippi River (3,730 km) ...

World Long Jump Record (1991) (8.95 m)...

: Men's Olympic Long Jump record (8.9 m) ...

Length of Central Park (NYC) (4 km)...

: Length of the Copacabana beach in Rio de Janeiro (4 km) ...

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