The phrase "a viable solution to the problem" is correct and usable in written English.
It can be used when discussing potential answers or methods to address a specific issue or challenge.
Example: "After reviewing all the options, we believe that implementing a new software system is a viable solution to the problem of inefficiency in our workflow."
Alternatives: "a feasible answer to the issue" or "an effective remedy for the challenge."
A viable solution to the problem is reclamation of fly ash for civil engineering applications.
Although it isn't spelled out, we are left in no doubt that replacing one US-made leader in Iraq (Saddam Hussein) with another (at present Nouri al-Maliki), is not a viable solution to the problem of international terrorism.
In this way, the synthetic strategy based on assembling: (i) the polyether chains, (ii) a film forming backbone, and (iii) a photoactive moiety to be used for cross-linking, seems a viable solution to the problem of the continuous processing of materials.
The decomposition of an energy system into subsystems of reduced complexity, to be optimized separately, but in a way compatible with the optimum of the global system, has been recognized as a viable solution to the problem of the design optimization of highly integrated, complex energy systems.
Today at a session led by Jeff Jarvis at the World Economic Forum in Davos, Switzerland, noted Free Speech lawyer and Columbia University President Lee Bollinger said it should be considered as a viable solution to the problem.
The most serious attempt to fit him into the history of Western philosophy argues that his notion of barzakh (see section 3.4) offers a viable solution to the problem of defining the indefinable, which has dogged epistemology from the time of Aristotle and led to the despair of modern philosophers like Rorty (Bashier 2004).
Lincoln, too, considered expatriation a viable solution to the slavery problem.
Deep-space manned flight as a reality depends on a viable solution to the radiation problem.
Recycling of OCS can be considered a viable solution to the disposal problem.
Community banks offer a viable solution to the isolation problem.
This design is quite innovative as it provides a viable solution to the fitness computation problem, which depends heavily on the problem-specific knowledge.
