Finding the Third Proportional to 358,957,251 and 780,807,519
Calculator
Solution
The third proportional to 358,957,251 and 780,807,519 is: 1,698,420,578.02
Step by Step Solution
- Step 1: Write the proportion equation
358,957,251 : 780,807,519 = 780,807,519 : x - Step 2: Convert to fraction form
358,957,251/780,807,519 = 780,807,519/x - Step 3: Cross multiply
358,957,251x = 780,807,519 × 780,807,519 - Step 4: Simplify right side
358,957,251x = 609,660,381,726,935,424 - Step 5: Solve for x
x = 609,660,381,726,935,424/358,957,251 - Step 6: Final answer
x = 1,698,420,578.02
Related Problems
Find third proportional to 179,478,625.50 and 390,403,759.50
Half scale
Find third proportional to 717,914,502 and 1,561,615,038
Double scale
Find third proportional to 358,957,253 and 780,807,523
Similar ratio
Find third proportional to 538,435,876.50 and 1,171,211,278.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.