Project Euler: Problem 4

Euler_4

def is_palindrome?(num)
  num == num.to_s.reverse.to_i ? true : false
end

def palindromatic
	range = *(100..999)
	results = []

	range.each { |i| range.each { |x|  results << (i*x) if is_palindrome?(i*x) } }

	p results.sort.last
end