The phrase "essential to solving" is correct and usable in written English.
You can use it when you want to emphasize that something is necessary in order to resolve a problem or reach a desired outcome. For example: "Having all the necessary information is essential to solving this issue."
In fact, dying is essential to solving at least one of the game's puzzles.
"Making the right investments in the right innovations now is essential to solving this energy challenge for current and future generations across the planet".
So is the conviction, backed by overwhelming evidence, that investing in women and girls is essential to solving the world's greatest problems.
The credit rating agency this week singled out action by the central bank as essential to solving the crisis and forestalling a downgrade.
Inverse procedures are essential to solving equations because they allow mathematical operations to be reversed (e.g. logarithms, the inverses of exponential functions, are used to solve exponential equations).
On Monday the city is expected to file its latest bankruptcy restructuring proposal as its emergency financial manager argues cuts to pensions are essential to solving the city's crisis.
Histopathology is essential to solve the dilemma and make a definitive diagnosis, thus avoiding unnecessary mastectomies.
Neither of these approaches is easily extended to deal with disjunction of constraints, that is essential to solve GPSAT.
Thus, an effective control method is essential to solve these problems and to guarantee the vehicle height and leveling are controlled in high performance.
Therefore, it should be essential to solve multi-objective optimization problems effectively in the applications of these new technologies in power systems.
This so-called technology push closely interacts with public research and development funding where specific forms of technological innovation are seen as essential to solve 'societal challenges' [1].
