Finding the Third Proportional to 387,212.11 and 838,766.91
Calculator
Solution
The third proportional to 387,212.11 and 838,766.91 is: 1,816,910.95
Step by Step Solution
- Step 1: Write the proportion equation
387,212.11 : 838,766.91 = 838,766.91 : x - Step 2: Convert to fraction form
387,212.11/838,766.91 = 838,766.91/x - Step 3: Cross multiply
387,212.11x = 838,766.91 × 838,766.91 - Step 4: Simplify right side
387,212.11x = 703,529,923,020.20 - Step 5: Solve for x
x = 703,529,923,020.20/387,212.11 - Step 6: Final answer
x = 1,816,910.95
Related Problems
Find third proportional to 193,606.05 and 419,383.45
Half scale
Find third proportional to 774,424.22 and 1,677,533.81
Double scale
Find third proportional to 387,214 and 838,771
Similar ratio
Find third proportional to 580,818.16 and 1,258,150.36
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.