Finding the Third Proportional to 254 and 474
Calculator
Solution
The third proportional to 254 and 474 is: 884.55
Step by Step Solution
- Step 1: Write the proportion equation
254 : 474 = 474 : x - Step 2: Convert to fraction form
254/474 = 474/x - Step 3: Cross multiply
254x = 474 × 474 - Step 4: Simplify right side
254x = 224,676 - Step 5: Solve for x
x = 224,676/254 - Step 6: Final answer
x = 884.55
Related Problems
Find third proportional to 127 and 237
Half scale
Find third proportional to 508 and 948
Double scale
Find third proportional to 256 and 478
Similar ratio
Find third proportional to 381 and 711
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.