Finding the Third Proportional to 134.50 and 293.50
Calculator
Solution
The third proportional to 134.50 and 293.50 is: 640.46
Step by Step Solution
- Step 1: Write the proportion equation
134.50 : 293.50 = 293.50 : x - Step 2: Convert to fraction form
134.50/293.50 = 293.50/x - Step 3: Cross multiply
134.50x = 293.50 × 293.50 - Step 4: Simplify right side
134.50x = 86,142.25 - Step 5: Solve for x
x = 86,142.25/134.50 - Step 6: Final answer
x = 640.46
Related Problems
Find third proportional to 67.25 and 146.75
Half scale
Find third proportional to 269 and 587
Double scale
Find third proportional to 137 and 298
Similar ratio
Find third proportional to 201.75 and 440.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.