Finding the Third Proportional to 220,194 and 422,890.50
Calculator
Solution
The third proportional to 220,194 and 422,890.50 is: 812,176.42
Step by Step Solution
- Step 1: Write the proportion equation
220,194 : 422,890.50 = 422,890.50 : x - Step 2: Convert to fraction form
220,194/422,890.50 = 422,890.50/x - Step 3: Cross multiply
220,194x = 422,890.50 × 422,890.50 - Step 4: Simplify right side
220,194x = 178,836,374,990.25 - Step 5: Solve for x
x = 178,836,374,990.25/220,194 - Step 6: Final answer
x = 812,176.42
Related Problems
Find third proportional to 110,097 and 211,445.25
Half scale
Find third proportional to 440,388 and 845,781
Double scale
Find third proportional to 220,196 and 422,894
Similar ratio
Find third proportional to 330,291 and 634,335.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.