Finding the Third Proportional to 89 and 167.25
Calculator
Solution
The third proportional to 89 and 167.25 is: 314.30
Step by Step Solution
- Step 1: Write the proportion equation
89 : 167.25 = 167.25 : x - Step 2: Convert to fraction form
89/167.25 = 167.25/x - Step 3: Cross multiply
89x = 167.25 × 167.25 - Step 4: Simplify right side
89x = 27,972.56 - Step 5: Solve for x
x = 27,972.56/89 - Step 6: Final answer
x = 314.30
Related Problems
Find third proportional to 44.50 and 83.63
Half scale
Find third proportional to 178 and 334.50
Double scale
Find third proportional to 91 and 171
Similar ratio
Find third proportional to 133.50 and 250.88
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.