Finding the Third Proportional to 129,205,872 and 198,598,338
Calculator
Solution
The third proportional to 129,205,872 and 198,598,338 is: 305,259,345.00
Step by Step Solution
- Step 1: Write the proportion equation
129,205,872 : 198,598,338 = 198,598,338 : x - Step 2: Convert to fraction form
129,205,872/198,598,338 = 198,598,338/x - Step 3: Cross multiply
129,205,872x = 198,598,338 × 198,598,338 - Step 4: Simplify right side
129,205,872x = 39,441,299,856,362,240 - Step 5: Solve for x
x = 39,441,299,856,362,240/129,205,872 - Step 6: Final answer
x = 305,259,345.00
Related Problems
Find third proportional to 64,602,936 and 99,299,169
Half scale
Find third proportional to 258,411,744 and 397,196,676
Double scale
Find third proportional to 129,205,874 and 198,598,341
Similar ratio
Find third proportional to 193,808,808 and 297,897,507
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.