Finding the Third Proportional to 8,415,992 and 18,177,196
Calculator
Solution
The third proportional to 8,415,992 and 18,177,196 is: 39,259,834.66
Step by Step Solution
- Step 1: Write the proportion equation
8,415,992 : 18,177,196 = 18,177,196 : x - Step 2: Convert to fraction form
8,415,992/18,177,196 = 18,177,196/x - Step 3: Cross multiply
8,415,992x = 18,177,196 × 18,177,196 - Step 4: Simplify right side
8,415,992x = 330,410,454,422,416 - Step 5: Solve for x
x = 330,410,454,422,416/8,415,992 - Step 6: Final answer
x = 39,259,834.66
Related Problems
Find third proportional to 4,207,996 and 9,088,598
Half scale
Find third proportional to 16,831,984 and 36,354,392
Double scale
Find third proportional to 8,415,994 and 18,177,200
Similar ratio
Find third proportional to 12,623,988 and 27,265,794
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.