Finding the Third Proportional to 271,391.75 and 398,020.50
Calculator
Solution
The third proportional to 271,391.75 and 398,020.50 is: 583,732.99
Step by Step Solution
- Step 1: Write the proportion equation
271,391.75 : 398,020.50 = 398,020.50 : x - Step 2: Convert to fraction form
271,391.75/398,020.50 = 398,020.50/x - Step 3: Cross multiply
271,391.75x = 398,020.50 × 398,020.50 - Step 4: Simplify right side
271,391.75x = 158,420,318,420.25 - Step 5: Solve for x
x = 158,420,318,420.25/271,391.75 - Step 6: Final answer
x = 583,732.99
Related Problems
Find third proportional to 135,695.88 and 199,010.25
Half scale
Find third proportional to 542,783.50 and 796,041
Double scale
Find third proportional to 271,394 and 398,023
Similar ratio
Find third proportional to 407,087.63 and 597,030.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.