Finding the Third Proportional to 84,240 and 126,702
Calculator
Solution
The third proportional to 84,240 and 126,702 is: 190,567.39
Step by Step Solution
- Step 1: Write the proportion equation
84,240 : 126,702 = 126,702 : x - Step 2: Convert to fraction form
84,240/126,702 = 126,702/x - Step 3: Cross multiply
84,240x = 126,702 × 126,702 - Step 4: Simplify right side
84,240x = 16,053,396,804 - Step 5: Solve for x
x = 16,053,396,804/84,240 - Step 6: Final answer
x = 190,567.39
Related Problems
Find third proportional to 42,120 and 63,351
Half scale
Find third proportional to 168,480 and 253,404
Double scale
Find third proportional to 84,242 and 126,705
Similar ratio
Find third proportional to 126,360 and 190,053
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.