Finding the Third Proportional to 83.13 and 104.72
Calculator
Solution
The third proportional to 83.13 and 104.72 is: 131.92
Step by Step Solution
- Step 1: Write the proportion equation
83.13 : 104.72 = 104.72 : x - Step 2: Convert to fraction form
83.13/104.72 = 104.72/x - Step 3: Cross multiply
83.13x = 104.72 × 104.72 - Step 4: Simplify right side
83.13x = 10,966.02 - Step 5: Solve for x
x = 10,966.02/83.13 - Step 6: Final answer
x = 131.92
Related Problems
Find third proportional to 41.56 and 52.36
Half scale
Find third proportional to 166.25 and 209.44
Double scale
Find third proportional to 85 and 107
Similar ratio
Find third proportional to 124.69 and 157.08
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.