Finding the Third Proportional to 201,397,770 and 310,993,381
Calculator
Solution
The third proportional to 201,397,770 and 310,993,381 is: 480,228,172.47
Step by Step Solution
- Step 1: Write the proportion equation
201,397,770 : 310,993,381 = 310,993,381 : x - Step 2: Convert to fraction form
201,397,770/310,993,381 = 310,993,381/x - Step 3: Cross multiply
201,397,770x = 310,993,381 × 310,993,381 - Step 4: Simplify right side
201,397,770x = 96,716,883,025,811,168 - Step 5: Solve for x
x = 96,716,883,025,811,168/201,397,770 - Step 6: Final answer
x = 480,228,172.47
Related Problems
Find third proportional to 100,698,885 and 155,496,690.50
Half scale
Find third proportional to 402,795,540 and 621,986,762
Double scale
Find third proportional to 201,397,772 and 310,993,384
Similar ratio
Find third proportional to 302,096,655 and 466,490,071.50
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.