Finding the Third Proportional to 122,655,720 and 248,915,616
Calculator
Solution
The third proportional to 122,655,720 and 248,915,616 is: 505,145,490.88
Step by Step Solution
- Step 1: Write the proportion equation
122,655,720 : 248,915,616 = 248,915,616 : x - Step 2: Convert to fraction form
122,655,720/248,915,616 = 248,915,616/x - Step 3: Cross multiply
122,655,720x = 248,915,616 × 248,915,616 - Step 4: Simplify right side
122,655,720x = 61,958,983,888,659,456 - Step 5: Solve for x
x = 61,958,983,888,659,456/122,655,720 - Step 6: Final answer
x = 505,145,490.88
Related Problems
Find third proportional to 61,327,860 and 124,457,808
Half scale
Find third proportional to 245,311,440 and 497,831,232
Double scale
Find third proportional to 122,655,722 and 248,915,620
Similar ratio
Find third proportional to 183,983,580 and 373,373,424
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.