Finding the Third Proportional to 308,497.50 and 677,137.50
Calculator
Solution
The third proportional to 308,497.50 and 677,137.50 is: 1,486,284.96
Step by Step Solution
- Step 1: Write the proportion equation
308,497.50 : 677,137.50 = 677,137.50 : x - Step 2: Convert to fraction form
308,497.50/677,137.50 = 677,137.50/x - Step 3: Cross multiply
308,497.50x = 677,137.50 × 677,137.50 - Step 4: Simplify right side
308,497.50x = 458,515,193,906.25 - Step 5: Solve for x
x = 458,515,193,906.25/308,497.50 - Step 6: Final answer
x = 1,486,284.96
Related Problems
Find third proportional to 154,248.75 and 338,568.75
Half scale
Find third proportional to 616,995 and 1,354,275
Double scale
Find third proportional to 308,500 and 677,142
Similar ratio
Find third proportional to 462,746.25 and 1,015,706.25
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.