Finding the Third Proportional to 89,272.13 and 138,342.94
Calculator
Solution
The third proportional to 89,272.13 and 138,342.94 is: 214,386.84
Step by Step Solution
- Step 1: Write the proportion equation
89,272.13 : 138,342.94 = 138,342.94 : x - Step 2: Convert to fraction form
89,272.13/138,342.94 = 138,342.94/x - Step 3: Cross multiply
89,272.13x = 138,342.94 × 138,342.94 - Step 4: Simplify right side
89,272.13x = 19,138,768,356.13 - Step 5: Solve for x
x = 19,138,768,356.13/89,272.13 - Step 6: Final answer
x = 214,386.84
Related Problems
Find third proportional to 44,636.06 and 69,171.47
Half scale
Find third proportional to 178,544.25 and 276,685.88
Double scale
Find third proportional to 89,274 and 138,346
Similar ratio
Find third proportional to 133,908.19 and 207,514.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.