Finding the Third Proportional to 394,449.75 and 863,986.50
Calculator
Solution
The third proportional to 394,449.75 and 863,986.50 is: 1,892,440.47
Step by Step Solution
- Step 1: Write the proportion equation
394,449.75 : 863,986.50 = 863,986.50 : x - Step 2: Convert to fraction form
394,449.75/863,986.50 = 863,986.50/x - Step 3: Cross multiply
394,449.75x = 863,986.50 × 863,986.50 - Step 4: Simplify right side
394,449.75x = 746,472,672,182.25 - Step 5: Solve for x
x = 746,472,672,182.25/394,449.75 - Step 6: Final answer
x = 1,892,440.47
Related Problems
Find third proportional to 197,224.88 and 431,993.25
Half scale
Find third proportional to 788,899.50 and 1,727,973
Double scale
Find third proportional to 394,452 and 863,991
Similar ratio
Find third proportional to 591,674.63 and 1,295,979.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.