Many of these fractional ratios were presented in the research studies of John Michell, a very well known writer of many mysteries pertaining to metrology standards of ancient cultures, but most particularly the Ancient Egyptians, and Greeks. I am just doing a continuation of that research into other matters is all. And yes, it does seem impossible that any ancient culture could have had such advanced knowledge as the speed of light without all of the technological achievements required to make such measurements. But then we all still marvel at their achievements in construction projects without what appears to be the required technology also. So all anyone can do is follow the clues left behind as best we can as to how those achievements were possible also.