Finding the Third Proportional to 398,472 and 859,914
Calculator
Solution
The third proportional to 398,472 and 859,914 is: 1,855,719.07
Step by Step Solution
- Step 1: Write the proportion equation
398,472 : 859,914 = 859,914 : x - Step 2: Convert to fraction form
398,472/859,914 = 859,914/x - Step 3: Cross multiply
398,472x = 859,914 × 859,914 - Step 4: Simplify right side
398,472x = 739,452,087,396 - Step 5: Solve for x
x = 739,452,087,396/398,472 - Step 6: Final answer
x = 1,855,719.07
Related Problems
Find third proportional to 199,236 and 429,957
Half scale
Find third proportional to 796,944 and 1,719,828
Double scale
Find third proportional to 398,474 and 859,918
Similar ratio
Find third proportional to 597,708 and 1,289,871
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.