Finding the Third Proportional to 298,580 and 656,198
Calculator
Solution
The third proportional to 298,580 and 656,198 is: 1,442,145.54
Step by Step Solution
- Step 1: Write the proportion equation
298,580 : 656,198 = 656,198 : x - Step 2: Convert to fraction form
298,580/656,198 = 656,198/x - Step 3: Cross multiply
298,580x = 656,198 × 656,198 - Step 4: Simplify right side
298,580x = 430,595,815,204 - Step 5: Solve for x
x = 430,595,815,204/298,580 - Step 6: Final answer
x = 1,442,145.54
Related Problems
Find third proportional to 149,290 and 328,099
Half scale
Find third proportional to 597,160 and 1,312,396
Double scale
Find third proportional to 298,582 and 656,202
Similar ratio
Find third proportional to 447,870 and 984,297
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.