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 November 22nd, 2008, 10:32 AM #1 Newbie   Joined: Nov 2008 Posts: 1 Thanks: 0 need help w/present and future values problem I have searched the net for an online calculator to figure out this problem. Your expertise would help! An investment of 3 million dollars is expected to become 6 million dollars in ten years. What is the expected rate of return? Thanks. -John in San Antonio
 November 22nd, 2008, 12:39 PM #2 Global Moderator     Joined: Nov 2006 From: UTC -5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms Re: need help w/present and future values problem I use Google as a calculator for these kinds of problems. Just type in (6000000/3000000)^(1/10) and you'll get 1 + rate of return.
November 22nd, 2008, 01:25 PM   #3
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Re: need help w/present and future values problem

Quote:
 Originally Posted by CRGreathouse I use Google as a calculator for these kinds of problems. Just type in (6000000/3000000)^(1/10) and you'll get 1 + rate of return.
It pays to simplify first, so you don't have to type as much. What you want is 2^(1/10).

 November 22nd, 2008, 02:08 PM #4 Global Moderator     Joined: Nov 2006 From: UTC -5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms Re: need help w/present and future values problem If I was putting it into Google for myself I'd use 2^.1, which is even shorter. But for pedagogical purposes I left everything unsimplified.

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