Finding the Third Proportional to 156,917 and 345,504
Calculator
Solution
The third proportional to 156,917 and 345,504 is: 760,739.84
Step by Step Solution
- Step 1: Write the proportion equation
156,917 : 345,504 = 345,504 : x - Step 2: Convert to fraction form
156,917/345,504 = 345,504/x - Step 3: Cross multiply
156,917x = 345,504 × 345,504 - Step 4: Simplify right side
156,917x = 119,373,014,016 - Step 5: Solve for x
x = 119,373,014,016/156,917 - Step 6: Final answer
x = 760,739.84
Related Problems
Find third proportional to 78,458.50 and 172,752
Half scale
Find third proportional to 313,834 and 691,008
Double scale
Find third proportional to 156,919 and 345,508
Similar ratio
Find third proportional to 235,375.50 and 518,256
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.