Finding the Third Proportional to 1,500 and 1,950
Calculator
Solution
The third proportional to 1,500 and 1,950 is: 2,535
Step by Step Solution
- Step 1: Write the proportion equation
1,500 : 1,950 = 1,950 : x - Step 2: Convert to fraction form
1,500/1,950 = 1,950/x - Step 3: Cross multiply
1,500x = 1,950 × 1,950 - Step 4: Simplify right side
1,500x = 3,802,500 - Step 5: Solve for x
x = 3,802,500/1,500 - Step 6: Final answer
x = 2,535
Related Problems
Find third proportional to 750 and 975
Half scale
Find third proportional to 3,000 and 3,900
Double scale
Find third proportional to 1,502 and 1,953
Similar ratio
Find third proportional to 2,250 and 2,925
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.