Finding the Third Proportional to 90,324 and 134,181
Calculator
Solution
The third proportional to 90,324 and 134,181 is: 199,332.85
Step by Step Solution
- Step 1: Write the proportion equation
90,324 : 134,181 = 134,181 : x - Step 2: Convert to fraction form
90,324/134,181 = 134,181/x - Step 3: Cross multiply
90,324x = 134,181 × 134,181 - Step 4: Simplify right side
90,324x = 18,004,540,761 - Step 5: Solve for x
x = 18,004,540,761/90,324 - Step 6: Final answer
x = 199,332.85
Related Problems
Find third proportional to 45,162 and 67,090.50
Half scale
Find third proportional to 180,648 and 268,362
Double scale
Find third proportional to 90,326 and 134,184
Similar ratio
Find third proportional to 135,486 and 201,271.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.