Finding the Third Proportional to 662 and 874.50
Calculator
Solution
The third proportional to 662 and 874.50 is: 1,155.21
Step by Step Solution
- Step 1: Write the proportion equation
662 : 874.50 = 874.50 : x - Step 2: Convert to fraction form
662/874.50 = 874.50/x - Step 3: Cross multiply
662x = 874.50 × 874.50 - Step 4: Simplify right side
662x = 764,750.25 - Step 5: Solve for x
x = 764,750.25/662 - Step 6: Final answer
x = 1,155.21
Related Problems
Find third proportional to 331 and 437.25
Half scale
Find third proportional to 1,324 and 1,749
Double scale
Find third proportional to 664 and 877
Similar ratio
Find third proportional to 993 and 1,311.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.