Finding the Third Proportional to 222,728 and 321,804
Calculator
Solution
The third proportional to 222,728 and 321,804 is: 464,951.93
Step by Step Solution
- Step 1: Write the proportion equation
222,728 : 321,804 = 321,804 : x - Step 2: Convert to fraction form
222,728/321,804 = 321,804/x - Step 3: Cross multiply
222,728x = 321,804 × 321,804 - Step 4: Simplify right side
222,728x = 103,557,814,416 - Step 5: Solve for x
x = 103,557,814,416/222,728 - Step 6: Final answer
x = 464,951.93
Related Problems
Find third proportional to 111,364 and 160,902
Half scale
Find third proportional to 445,456 and 643,608
Double scale
Find third proportional to 222,730 and 321,807
Similar ratio
Find third proportional to 334,092 and 482,706
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.