Finding the Third Proportional to 514 and 784.50
Calculator
Solution
The third proportional to 514 and 784.50 is: 1,197.35
Step by Step Solution
- Step 1: Write the proportion equation
514 : 784.50 = 784.50 : x - Step 2: Convert to fraction form
514/784.50 = 784.50/x - Step 3: Cross multiply
514x = 784.50 × 784.50 - Step 4: Simplify right side
514x = 615,440.25 - Step 5: Solve for x
x = 615,440.25/514 - Step 6: Final answer
x = 1,197.35
Related Problems
Find third proportional to 257 and 392.25
Half scale
Find third proportional to 1,028 and 1,569
Double scale
Find third proportional to 516 and 788
Similar ratio
Find third proportional to 771 and 1,176.75
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.