Finding the Third Proportional to 68,940.75 and 105,414.75
Calculator
Solution
The third proportional to 68,940.75 and 105,414.75 is: 161,185.79
Step by Step Solution
- Step 1: Write the proportion equation
68,940.75 : 105,414.75 = 105,414.75 : x - Step 2: Convert to fraction form
68,940.75/105,414.75 = 105,414.75/x - Step 3: Cross multiply
68,940.75x = 105,414.75 × 105,414.75 - Step 4: Simplify right side
68,940.75x = 11,112,269,517.56 - Step 5: Solve for x
x = 11,112,269,517.56/68,940.75 - Step 6: Final answer
x = 161,185.79
Related Problems
Find third proportional to 34,470.38 and 52,707.38
Half scale
Find third proportional to 137,881.50 and 210,829.50
Double scale
Find third proportional to 68,943 and 105,418
Similar ratio
Find third proportional to 103,411.13 and 158,122.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.