Finding the Third Proportional to 488 and 1,125
Calculator
Solution
The third proportional to 488 and 1,125 is: 2,593.49
Step by Step Solution
- Step 1: Write the proportion equation
488 : 1,125 = 1,125 : x - Step 2: Convert to fraction form
488/1,125 = 1,125/x - Step 3: Cross multiply
488x = 1,125 × 1,125 - Step 4: Simplify right side
488x = 1,265,625 - Step 5: Solve for x
x = 1,265,625/488 - Step 6: Final answer
x = 2,593.49
Related Problems
Find third proportional to 244 and 562.50
Half scale
Find third proportional to 976 and 2,250
Double scale
Find third proportional to 490 and 1,130
Similar ratio
Find third proportional to 732 and 1,687.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.