Finding the Third Proportional to 671 and 851.50
Calculator
Solution
The third proportional to 671 and 851.50 is: 1,080.55
Step by Step Solution
- Step 1: Write the proportion equation
671 : 851.50 = 851.50 : x - Step 2: Convert to fraction form
671/851.50 = 851.50/x - Step 3: Cross multiply
671x = 851.50 × 851.50 - Step 4: Simplify right side
671x = 725,052.25 - Step 5: Solve for x
x = 725,052.25/671 - Step 6: Final answer
x = 1,080.55
Related Problems
Find third proportional to 335.50 and 425.75
Half scale
Find third proportional to 1,342 and 1,703
Double scale
Find third proportional to 673 and 854
Similar ratio
Find third proportional to 1,006.50 and 1,277.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.