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Example problem demonstrating the use of the Triangle Proportionality Theorem to find the length of BC when BE is parallel to CD.

A geometric diagram illustrating the proportionality theorem with parallel lines BD and AE, showing triangle ABC with points D and E on sides AC and AB respectively, and a calculation to find the length of BC given AD = 36 m.

A geometric diagram illustrating the proportionality theorem with parallel lines BD and AE, showing triangle ABC with points D and E on sides AC and AB respectively, and a calculation to find the length of BC given AD = 36 m.

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