Thread: finding z value

can somebody please help in finding the formula for calculating value of z3 when we have following

a=(x1,y1,z1)

c=(x3,y3,z3)

b=(x2,y2,z2)


c is the point betweent a and b.

Originally Posted by charu

can somebody please help in finding the formula for calculating value of z3 when we have following

a=(x1,y1,z1)

c=(x3,y3,z3)

b=(x2,y2,z2)


c is the point betweent a and b.

Dear charu,

Are these three points lie in a straight line???

yes, these three points lie in straight line.

Originally Posted by charu

yes, these three points lie in straight line.

Dear charu,

Since these three points are in a straight line and given the condition that point "c" lies inbetween points "a" and "b", we could write, (please refer to the attached drawing.)

; Here the line is divided by "c" to the propotion

Hope this will help you.

Originally Posted by charu

can somebody please help in finding the formula for calculating value of z3 when we have following
a=(x1,y1,z1), c=(x3,y3,z3), b=(x2,y2,z2)
c is the point betweent a and b.

Let . For any, , c will be between .