Finding the Third Proportional to 713.50 and 1,019
Calculator
Solution
The third proportional to 713.50 and 1,019 is: 1,455.31
Step by Step Solution
- Step 1: Write the proportion equation
713.50 : 1,019 = 1,019 : x - Step 2: Convert to fraction form
713.50/1,019 = 1,019/x - Step 3: Cross multiply
713.50x = 1,019 × 1,019 - Step 4: Simplify right side
713.50x = 1,038,361 - Step 5: Solve for x
x = 1,038,361/713.50 - Step 6: Final answer
x = 1,455.31
Related Problems
Find third proportional to 356.75 and 509.50
Half scale
Find third proportional to 1,427 and 2,038
Double scale
Find third proportional to 716 and 1,022
Similar ratio
Find third proportional to 1,070.25 and 1,528.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.