Finding the Third Proportional to 211,940,067 and 286,259,805
Calculator
Solution
The third proportional to 211,940,067 and 286,259,805 is: 386,640,794.82
Step by Step Solution
- Step 1: Write the proportion equation
211,940,067 : 286,259,805 = 286,259,805 : x - Step 2: Convert to fraction form
211,940,067/286,259,805 = 286,259,805/x - Step 3: Cross multiply
211,940,067x = 286,259,805 × 286,259,805 - Step 4: Simplify right side
211,940,067x = 81,944,675,958,638,032 - Step 5: Solve for x
x = 81,944,675,958,638,032/211,940,067 - Step 6: Final answer
x = 386,640,794.82
Related Problems
Find third proportional to 105,970,033.50 and 143,129,902.50
Half scale
Find third proportional to 423,880,134 and 572,519,610
Double scale
Find third proportional to 211,940,069 and 286,259,808
Similar ratio
Find third proportional to 317,910,100.50 and 429,389,707.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.