Finding the Third Proportional to 752 and 1,692
Calculator
Solution
The third proportional to 752 and 1,692 is: 3,807
Step by Step Solution
- Step 1: Write the proportion equation
752 : 1,692 = 1,692 : x - Step 2: Convert to fraction form
752/1,692 = 1,692/x - Step 3: Cross multiply
752x = 1,692 × 1,692 - Step 4: Simplify right side
752x = 2,862,864 - Step 5: Solve for x
x = 2,862,864/752 - Step 6: Final answer
x = 3,807
Related Problems
Find third proportional to 376 and 846
Half scale
Find third proportional to 1,504 and 3,384
Double scale
Find third proportional to 754 and 1,697
Similar ratio
Find third proportional to 1,128 and 2,538
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.