Finding the Third Proportional to 254.50 and 514
Calculator
Solution
The third proportional to 254.50 and 514 is: 1,038.10
Step by Step Solution
- Step 1: Write the proportion equation
254.50 : 514 = 514 : x - Step 2: Convert to fraction form
254.50/514 = 514/x - Step 3: Cross multiply
254.50x = 514 × 514 - Step 4: Simplify right side
254.50x = 264,196 - Step 5: Solve for x
x = 264,196/254.50 - Step 6: Final answer
x = 1,038.10
Related Problems
Find third proportional to 127.25 and 257
Half scale
Find third proportional to 509 and 1,028
Double scale
Find third proportional to 257 and 518
Similar ratio
Find third proportional to 381.75 and 771
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.