Finding the Third Proportional to 126.38 and 313.50
Calculator
Solution
The third proportional to 126.38 and 313.50 is: 777.70
Step by Step Solution
- Step 1: Write the proportion equation
126.38 : 313.50 = 313.50 : x - Step 2: Convert to fraction form
126.38/313.50 = 313.50/x - Step 3: Cross multiply
126.38x = 313.50 × 313.50 - Step 4: Simplify right side
126.38x = 98,282.25 - Step 5: Solve for x
x = 98,282.25/126.38 - Step 6: Final answer
x = 777.70
Related Problems
Find third proportional to 63.19 and 156.75
Half scale
Find third proportional to 252.75 and 627
Double scale
Find third proportional to 128 and 318
Similar ratio
Find third proportional to 189.56 and 470.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.