Finding the Third Proportional to 143,820 and 313,593.75
Calculator
Solution
The third proportional to 143,820 and 313,593.75 is: 683,778.61
Step by Step Solution
- Step 1: Write the proportion equation
143,820 : 313,593.75 = 313,593.75 : x - Step 2: Convert to fraction form
143,820/313,593.75 = 313,593.75/x - Step 3: Cross multiply
143,820x = 313,593.75 × 313,593.75 - Step 4: Simplify right side
143,820x = 98,341,040,039.06 - Step 5: Solve for x
x = 98,341,040,039.06/143,820 - Step 6: Final answer
x = 683,778.61
Related Problems
Find third proportional to 71,910 and 156,796.88
Half scale
Find third proportional to 287,640 and 627,187.50
Double scale
Find third proportional to 143,822 and 313,598
Similar ratio
Find third proportional to 215,730 and 470,390.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.