Answer :

Final answer:

Neptune is the planet in our solar system that has an equatorial diameter most similar in size to planet Kepler-62c.

Explanation:

The planet in our solar system that has an equatorial diameter most similar in size to planet Kepler-62c is Neptune. Neptune's equatorial diameter is approximately 49,528 kilometers, while Kepler-62c has a diameter of around 19,705 kilometers. Although Neptune is not an exact match, it is the closest in size to Kepler-62c among the planets in our solar system.

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