The phrase "a related reason" is correct and usable in written English.
You can use it when you want to refer to a reason that is connected or pertinent to a particular topic or argument.
Example: "The project was delayed due to unforeseen circumstances, and a related reason was the lack of available resources."
Alternatives: "a corresponding reason" or "an associated reason".
Regulators are also pushing them for a related reason: they should encourage a bank's creditors to provide more oversight.
This post looks at a related reason: When kids are allowed to play in school, the things they are allowed to do are restricted in an unhelpful way.
A related reason may be that working through this information is time-consuming — and thus beyond the capacity of many commentators.
Our survey data presents a related reason for this lack of action — that leaders have too optimistic a view of digital disruption.
And that leads to a related reason why it will not do to lean on 'the historic procedures of federal appellate courts' so that an implied power to issue a stay in this type of case may be found.
A related reason can be found in the physics envy that infects many psychologists -- the desire to make psychology a "hard science", like physics, instead of the blend of biological and social science that it actually is.
A third, related reason is that a multilateral system brings a common set of rules, which makes life easier for U.S. exporters, particularly smaller ones.
A third related reason why the value of a researcher-identified reward may diminish is that subjects encounter mounting demands associated with participation, such as a remaining motionless, remaining in the scanner for a long period and completing multiple, often effortful (and boring) tasks.
A second, related reason suggests that the shortcomings seen in black and Asian representation are linked to a wider malaise among voters.
A third, related reason concerns the prestige of the job and the social costs of working in particular jobs.
A second, related reason would be to build support for comprehensive legislation -- that is what Congress is supposed to concern itself with, after all -- to remove any of the interpretive legal ambiguity which permitted coercive interrogation to be considered in the first place, and ensure it never happens again.
