How to Find the Perfect Fifth

One represents our fundamental note, and two represents our first overtone. We can easily see this counting reflected in the overtones. A a hundred ten hurts, which is really easy to double. Another a four would be 400 forty hurts. Another a eight would be 880 hurts. What not? Is that another a? No. And so on. So with doubling to find the same not we count one, two. Tree two is double one. But tree three is one point five times two, not double. The interval does free give usthe perfect fifth. Yes, the all important perfect fifth. When we time something by one point five, a ratio of three parts to two