Finding the Third Proportional to 813 and 1,752
Calculator
Solution
The third proportional to 813 and 1,752 is: 3,775.53
Step by Step Solution
- Step 1: Write the proportion equation
813 : 1,752 = 1,752 : x - Step 2: Convert to fraction form
813/1,752 = 1,752/x - Step 3: Cross multiply
813x = 1,752 × 1,752 - Step 4: Simplify right side
813x = 3,069,504 - Step 5: Solve for x
x = 3,069,504/813 - Step 6: Final answer
x = 3,775.53
Related Problems
Find third proportional to 406.50 and 876
Half scale
Find third proportional to 1,626 and 3,504
Double scale
Find third proportional to 815 and 1,756
Similar ratio
Find third proportional to 1,219.50 and 2,628
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.