Finding the Third Proportional to 201,397,321 and 310,992,695
Calculator
Solution
The third proportional to 201,397,321 and 310,992,695 is: 480,227,124.49
Step by Step Solution
- Step 1: Write the proportion equation
201,397,321 : 310,992,695 = 310,992,695 : x - Step 2: Convert to fraction form
201,397,321/310,992,695 = 310,992,695/x - Step 3: Cross multiply
201,397,321x = 310,992,695 × 310,992,695 - Step 4: Simplify right side
201,397,321x = 96,716,456,343,363,024 - Step 5: Solve for x
x = 96,716,456,343,363,024/201,397,321 - Step 6: Final answer
x = 480,227,124.49
Related Problems
Find third proportional to 100,698,660.50 and 155,496,347.50
Half scale
Find third proportional to 402,794,642 and 621,985,390
Double scale
Find third proportional to 201,397,323 and 310,992,698
Similar ratio
Find third proportional to 302,095,981.50 and 466,489,042.50
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.