¸ÕÀú, ÁÖ¾îÁø ¹æÁ¤½Ä 8a = 15b = c©÷ À» ¹ÙŸ³»±â À§Çؼ´Â °¢ Ç×ÀÌ µ¿µîÇÏ°Ô µÇ¾î¾ß ÇϹǷÎ, a, b, c °£ÀÇ °ü°è¸¦ ã¾Æ¾ß ÇÕ´Ï´Ù. À̸¦ À§ÇØ ÀûÀýÇÑ k °ªÀ» »ç¿ëÇÏ¿© a, b, c¸¦ Ç¥ÇöÇÏ°Ú½À´Ï´Ù.
[ 8a = 15b = c^2 ]
¿©±â¼ °¢ º¯¼ö¸¦ k¸¦ ÀÌ¿ëÇØ Ç¥ÇöÇغ¸¸é,
- a = ( \frac{15b}{8} = \frac{c^2}{8} )
- b = ( \frac{8a}{15} = \frac{c^2}{15} )
- c´Â ÀÌ¹Ì c·Î Ç¥ÇöµÇ¾î ÀÖ½À´Ï´Ù.
µû¶ó¼,°¢ º¯¼ö°¡ °°Àº °ªÀ» °®µµ·Ï ÇÏ´Â k¸¦ »ç¿ëÇØ,
- a = ( \frac{k}{8} )
- b = ( \frac{k}{15} )
- c = ( \sqrt{k} )
¿©±â¼ kÀÇ ÃÖ¼Ò °ø¹è¼ö¸¦ Àû¿ëÇϸé k¿¡ ÀûÀýÇÑ °ªÀ» ºÎ¿©ÇÒ ¼ö ÀÖ½À´Ï´Ù. 8°ú 15ÀÇ ÃÖ¼Ò°ø¹è¼ö´Â 120À̹ǷΠk=120ÀÏ ¶§ a, b, c°¡ Á¤¼ö°¡ µË´Ï´Ù.
- a = ( \frac{120}{8} = 15 )
- b = ( \frac{120}{15} = 8 )
- c = ( \sqrt{120} = \sqrt{120} )
µû¶ó¼, a + b + cÀÇ °ªÀ» ±¸ÇÏ·Á¸é,
- a + b + c = 15 + 8 + (\sqrt{120}) = 23 + (2\sqrt{30})
ÃÖ¼Ò°ªÀ» ±¸ÇÏ´Â ¹®Á¦¿¡¼´Â Á¤È®ÇÑ Á¤¼ö°ªÀ» ±¸ÇØ¾ß ÇÏ´Â °ÍÀÌ ¾Æ´Ï¶ó a, b, cÀÇ ÃÖ¼Ò°ªÀ» ¸¸Á·½ÃÅ°´Â Á¶°ÇÀ» ã´Â °ÍÀ̹ǷΠ23 + (2\sqrt{30})ÀÌ ÀÌ ¹®Á¦¿¡¼ ¿ä±¸ÇÏ´Â ÃÖ¼Ò°ªÀÌ µË´Ï´Ù.