Finding the Third Proportional to 622.50 and 744
Calculator
Solution
The third proportional to 622.50 and 744 is: 889.21
Step by Step Solution
- Step 1: Write the proportion equation
622.50 : 744 = 744 : x - Step 2: Convert to fraction form
622.50/744 = 744/x - Step 3: Cross multiply
622.50x = 744 × 744 - Step 4: Simplify right side
622.50x = 553,536 - Step 5: Solve for x
x = 553,536/622.50 - Step 6: Final answer
x = 889.21
Related Problems
Find third proportional to 311.25 and 372
Half scale
Find third proportional to 1,245 and 1,488
Double scale
Find third proportional to 625 and 746
Similar ratio
Find third proportional to 933.75 and 1,116
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.