Finding the Third Proportional to 928 and 1,425
Calculator
Solution
The third proportional to 928 and 1,425 is: 2,188.17
Step by Step Solution
- Step 1: Write the proportion equation
928 : 1,425 = 1,425 : x - Step 2: Convert to fraction form
928/1,425 = 1,425/x - Step 3: Cross multiply
928x = 1,425 × 1,425 - Step 4: Simplify right side
928x = 2,030,625 - Step 5: Solve for x
x = 2,030,625/928 - Step 6: Final answer
x = 2,188.17
Related Problems
Find third proportional to 464 and 712.50
Half scale
Find third proportional to 1,856 and 2,850
Double scale
Find third proportional to 930 and 1,428
Similar ratio
Find third proportional to 1,392 and 2,137.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.