Finding the Third Proportional to 124.50 and 187.50
Calculator
Solution
The third proportional to 124.50 and 187.50 is: 282.38
Step by Step Solution
- Step 1: Write the proportion equation
124.50 : 187.50 = 187.50 : x - Step 2: Convert to fraction form
124.50/187.50 = 187.50/x - Step 3: Cross multiply
124.50x = 187.50 × 187.50 - Step 4: Simplify right side
124.50x = 35,156.25 - Step 5: Solve for x
x = 35,156.25/124.50 - Step 6: Final answer
x = 282.38
Related Problems
Find third proportional to 62.25 and 93.75
Half scale
Find third proportional to 249 and 375
Double scale
Find third proportional to 127 and 191
Similar ratio
Find third proportional to 186.75 and 281.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.