Finding the Third Proportional to 812 and 1,925
Calculator
Solution
The third proportional to 812 and 1,925 is: 4,563.58
Step by Step Solution
- Step 1: Write the proportion equation
812 : 1,925 = 1,925 : x - Step 2: Convert to fraction form
812/1,925 = 1,925/x - Step 3: Cross multiply
812x = 1,925 × 1,925 - Step 4: Simplify right side
812x = 3,705,625 - Step 5: Solve for x
x = 3,705,625/812 - Step 6: Final answer
x = 4,563.58
Related Problems
Find third proportional to 406 and 962.50
Half scale
Find third proportional to 1,624 and 3,850
Double scale
Find third proportional to 814 and 1,930
Similar ratio
Find third proportional to 1,218 and 2,887.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.