Finding the Third Proportional to 254 and 542
Calculator
Solution
The third proportional to 254 and 542 is: 1,156.55
Step by Step Solution
- Step 1: Write the proportion equation
254 : 542 = 542 : x - Step 2: Convert to fraction form
254/542 = 542/x - Step 3: Cross multiply
254x = 542 × 542 - Step 4: Simplify right side
254x = 293,764 - Step 5: Solve for x
x = 293,764/254 - Step 6: Final answer
x = 1,156.55
Related Problems
Find third proportional to 127 and 271
Half scale
Find third proportional to 508 and 1,084
Double scale
Find third proportional to 256 and 546
Similar ratio
Find third proportional to 381 and 813
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.