Finding the Third Proportional to 121,812.19 and 293,459.63
Calculator
Solution
The third proportional to 121,812.19 and 293,459.63 is: 706,978.12
Step by Step Solution
- Step 1: Write the proportion equation
121,812.19 : 293,459.63 = 293,459.63 : x - Step 2: Convert to fraction form
121,812.19/293,459.63 = 293,459.63/x - Step 3: Cross multiply
121,812.19x = 293,459.63 × 293,459.63 - Step 4: Simplify right side
121,812.19x = 86,118,551,505.14 - Step 5: Solve for x
x = 86,118,551,505.14/121,812.19 - Step 6: Final answer
x = 706,978.12
Related Problems
Find third proportional to 60,906.09 and 146,729.81
Half scale
Find third proportional to 243,624.38 and 586,919.25
Double scale
Find third proportional to 121,814 and 293,464
Similar ratio
Find third proportional to 182,718.28 and 440,189.44
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.