Finding the Third Proportional to 121,647,422 and 251,917,639
Calculator
Solution
The third proportional to 121,647,422 and 251,917,639 is: 521,692,081.89
Step by Step Solution
- Step 1: Write the proportion equation
121,647,422 : 251,917,639 = 251,917,639 : x - Step 2: Convert to fraction form
121,647,422/251,917,639 = 251,917,639/x - Step 3: Cross multiply
121,647,422x = 251,917,639 × 251,917,639 - Step 4: Simplify right side
121,647,422x = 63,462,496,839,334,320 - Step 5: Solve for x
x = 63,462,496,839,334,320/121,647,422 - Step 6: Final answer
x = 521,692,081.89
Related Problems
Find third proportional to 60,823,711 and 125,958,819.50
Half scale
Find third proportional to 243,294,844 and 503,835,278
Double scale
Find third proportional to 121,647,424 and 251,917,643
Similar ratio
Find third proportional to 182,471,133 and 377,876,458.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.