Finding the Third Proportional to 138,387.75 and 225,975.75
Calculator
Solution
The third proportional to 138,387.75 and 225,975.75 is: 368,999.71
Step by Step Solution
- Step 1: Write the proportion equation
138,387.75 : 225,975.75 = 225,975.75 : x - Step 2: Convert to fraction form
138,387.75/225,975.75 = 225,975.75/x - Step 3: Cross multiply
138,387.75x = 225,975.75 × 225,975.75 - Step 4: Simplify right side
138,387.75x = 51,065,039,588.06 - Step 5: Solve for x
x = 51,065,039,588.06/138,387.75 - Step 6: Final answer
x = 368,999.71
Related Problems
Find third proportional to 69,193.88 and 112,987.88
Half scale
Find third proportional to 276,775.50 and 451,951.50
Double scale
Find third proportional to 138,390 and 225,979
Similar ratio
Find third proportional to 207,581.63 and 338,963.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.