Finding the Third Proportional to 139,395.62 and 299,025.26
Calculator
Solution
The third proportional to 139,395.62 and 299,025.26 is: 641,455.65
Step by Step Solution
- Step 1: Write the proportion equation
139,395.62 : 299,025.26 = 299,025.26 : x - Step 2: Convert to fraction form
139,395.62/299,025.26 = 299,025.26/x - Step 3: Cross multiply
139,395.62x = 299,025.26 × 299,025.26 - Step 4: Simplify right side
139,395.62x = 89,416,108,314.04 - Step 5: Solve for x
x = 89,416,108,314.04/139,395.62 - Step 6: Final answer
x = 641,455.65
Related Problems
Find third proportional to 69,697.81 and 149,512.63
Half scale
Find third proportional to 278,791.24 and 598,050.53
Double scale
Find third proportional to 139,398 and 299,030
Similar ratio
Find third proportional to 209,093.43 and 448,537.90
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.