"rational and practical" is a correct and usable phrase in written English.
It is often used to describe a decision or action that makes sense based on the available information and has the potential to be successful. For example, "I decided to take a rational and practical approach to the problem, and it worked out in my favor."
If we are to succeed in tackling them, we need all the rational and practical help we can get, but we also need to good dose of wisdom and humility.
Addressing 21st-century security challenges requires a rational and practical approach, not one based on misplaced notions that having Trident makes us a great power and enables us "to punch above our weight".
Crisply written, rational and practical, "Zero to One" should be read not just by aspiring entrepreneurs but by anyone seeking a thoughtful alternative to the current pervasive gloom about the prospects for the world.
9. (S) Minister Al-Naimi has consistently been rational and practical in talking with western delegations about climate change, noting that Saudi Arabia had to address its development concerns, but conceding that the world needs to work together to address climate change.
Education, which Locke felt should address both character and intellect, is therefore best achieved by providing the pupil with examples of proper thought and behaviour, by training the child to witness and share in the habits of virtue that are part of the conventional wisdom of the rational and practical man.
The results are useful for establishing rational and practical soil models for engineering applications concerning blasting.
Mr. Waid told The Times that the tower would eschew all "extraneous ornament or embellishment which has not a rational meaning and practical use" and that it would be "unhampered by archaeological precedent".
The model was used to investigate certain fundamental issues important for both rational design and practical application of magnetoelectric composites, such as connectivity of constituent phases, electrical conductivity of the magnetostrictive phase, in situ electric poling of ferroelectric phase within composite and the bias magnetic field during sensing.
The rational, and the practical effects, however, need to be challenged, for several reasons.
Adopting human gene symbols for orthologous genes in other mammals is both a rational and a practical way to create a coherent and meaningful gene nomenclature.
It is concluded that the proposed optimum design model yields rational, reliable, economical and practical designs.
