Finding the Third Proportional to 439.50 and 949.50
Calculator
Solution
The third proportional to 439.50 and 949.50 is: 2,051.31
Step by Step Solution
- Step 1: Write the proportion equation
439.50 : 949.50 = 949.50 : x - Step 2: Convert to fraction form
439.50/949.50 = 949.50/x - Step 3: Cross multiply
439.50x = 949.50 × 949.50 - Step 4: Simplify right side
439.50x = 901,550.25 - Step 5: Solve for x
x = 901,550.25/439.50 - Step 6: Final answer
x = 2,051.31
Related Problems
Find third proportional to 219.75 and 474.75
Half scale
Find third proportional to 879 and 1,899
Double scale
Find third proportional to 442 and 954
Similar ratio
Find third proportional to 659.25 and 1,424.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.