Finding the Third Proportional to 77,419.13 and 109,020.09
Calculator
Solution
The third proportional to 77,419.13 and 109,020.09 is: 153,519.96
Step by Step Solution
- Step 1: Write the proportion equation
77,419.13 : 109,020.09 = 109,020.09 : x - Step 2: Convert to fraction form
77,419.13/109,020.09 = 109,020.09/x - Step 3: Cross multiply
77,419.13x = 109,020.09 × 109,020.09 - Step 4: Simplify right side
77,419.13x = 11,885,380,841.26 - Step 5: Solve for x
x = 11,885,380,841.26/77,419.13 - Step 6: Final answer
x = 153,519.96
Related Problems
Find third proportional to 38,709.56 and 54,510.05
Half scale
Find third proportional to 154,838.25 and 218,040.19
Double scale
Find third proportional to 77,421 and 109,023
Similar ratio
Find third proportional to 116,128.69 and 163,530.14
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.