Finding the Third Proportional to 1,323 and 2,868.75
Calculator
Solution
The third proportional to 1,323 and 2,868.75 is: 6,220.50
Step by Step Solution
- Step 1: Write the proportion equation
1,323 : 2,868.75 = 2,868.75 : x - Step 2: Convert to fraction form
1,323/2,868.75 = 2,868.75/x - Step 3: Cross multiply
1,323x = 2,868.75 × 2,868.75 - Step 4: Simplify right side
1,323x = 8,229,726.56 - Step 5: Solve for x
x = 8,229,726.56/1,323 - Step 6: Final answer
x = 6,220.50
Related Problems
Find third proportional to 661.50 and 1,434.38
Half scale
Find third proportional to 2,646 and 5,737.50
Double scale
Find third proportional to 1,325 and 2,873
Similar ratio
Find third proportional to 1,984.50 and 4,303.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.