Finding the Third Proportional to 67.50 and 158.63
Calculator
Solution
The third proportional to 67.50 and 158.63 is: 372.77
Step by Step Solution
- Step 1: Write the proportion equation
67.50 : 158.63 = 158.63 : x - Step 2: Convert to fraction form
67.50/158.63 = 158.63/x - Step 3: Cross multiply
67.50x = 158.63 × 158.63 - Step 4: Simplify right side
67.50x = 25,161.89 - Step 5: Solve for x
x = 25,161.89/67.50 - Step 6: Final answer
x = 372.77
Related Problems
Find third proportional to 33.75 and 79.31
Half scale
Find third proportional to 135 and 317.25
Double scale
Find third proportional to 70 and 163
Similar ratio
Find third proportional to 101.25 and 237.94
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.