Finding the Third Proportional to 290,395.55 and 622,809.84
Calculator
Solution
The third proportional to 290,395.55 and 622,809.84 is: 1,335,737.09
Step by Step Solution
- Step 1: Write the proportion equation
290,395.55 : 622,809.84 = 622,809.84 : x - Step 2: Convert to fraction form
290,395.55/622,809.84 = 622,809.84/x - Step 3: Cross multiply
290,395.55x = 622,809.84 × 622,809.84 - Step 4: Simplify right side
290,395.55x = 387,892,101,471.90 - Step 5: Solve for x
x = 387,892,101,471.90/290,395.55 - Step 6: Final answer
x = 1,335,737.09
Related Problems
Find third proportional to 145,197.77 and 311,404.92
Half scale
Find third proportional to 580,791.09 and 1,245,619.69
Double scale
Find third proportional to 290,398 and 622,814
Similar ratio
Find third proportional to 435,593.32 and 934,214.77
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.