Finding the Third Proportional to 819 and 933.75
Calculator
Solution
The third proportional to 819 and 933.75 is: 1,064.58
Step by Step Solution
- Step 1: Write the proportion equation
819 : 933.75 = 933.75 : x - Step 2: Convert to fraction form
819/933.75 = 933.75/x - Step 3: Cross multiply
819x = 933.75 × 933.75 - Step 4: Simplify right side
819x = 871,889.06 - Step 5: Solve for x
x = 871,889.06/819 - Step 6: Final answer
x = 1,064.58
Related Problems
Find third proportional to 409.50 and 466.88
Half scale
Find third proportional to 1,638 and 1,867.50
Double scale
Find third proportional to 821 and 936
Similar ratio
Find third proportional to 1,228.50 and 1,400.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.