Finding the Third Proportional to 754 and 982.50
Calculator
Solution
The third proportional to 754 and 982.50 is: 1,280.25
Step by Step Solution
- Step 1: Write the proportion equation
754 : 982.50 = 982.50 : x - Step 2: Convert to fraction form
754/982.50 = 982.50/x - Step 3: Cross multiply
754x = 982.50 × 982.50 - Step 4: Simplify right side
754x = 965,306.25 - Step 5: Solve for x
x = 965,306.25/754 - Step 6: Final answer
x = 1,280.25
Related Problems
Find third proportional to 377 and 491.25
Half scale
Find third proportional to 1,508 and 1,965
Double scale
Find third proportional to 756 and 985
Similar ratio
Find third proportional to 1,131 and 1,473.75
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.