Finding the Third Proportional to 174 and 431
Calculator
Solution
The third proportional to 174 and 431 is: 1,067.59
Step by Step Solution
- Step 1: Write the proportion equation
174 : 431 = 431 : x - Step 2: Convert to fraction form
174/431 = 431/x - Step 3: Cross multiply
174x = 431 × 431 - Step 4: Simplify right side
174x = 185,761 - Step 5: Solve for x
x = 185,761/174 - Step 6: Final answer
x = 1,067.59
Related Problems
Find third proportional to 87 and 215.50
Half scale
Find third proportional to 348 and 862
Double scale
Find third proportional to 176 and 436
Similar ratio
Find third proportional to 261 and 646.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.