Finding the Third Proportional to 261,825.75 and 409,586.75
Calculator
Solution
The third proportional to 261,825.75 and 409,586.75 is: 640,736.47
Step by Step Solution
- Step 1: Write the proportion equation
261,825.75 : 409,586.75 = 409,586.75 : x - Step 2: Convert to fraction form
261,825.75/409,586.75 = 409,586.75/x - Step 3: Cross multiply
261,825.75x = 409,586.75 × 409,586.75 - Step 4: Simplify right side
261,825.75x = 167,761,305,775.56 - Step 5: Solve for x
x = 167,761,305,775.56/261,825.75 - Step 6: Final answer
x = 640,736.47
Related Problems
Find third proportional to 130,912.88 and 204,793.38
Half scale
Find third proportional to 523,651.50 and 819,173.50
Double scale
Find third proportional to 261,828 and 409,590
Similar ratio
Find third proportional to 392,738.63 and 614,380.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.