Finding the Third Proportional to 39.50 and 98.50
Calculator
Solution
The third proportional to 39.50 and 98.50 is: 245.63
Step by Step Solution
- Step 1: Write the proportion equation
39.50 : 98.50 = 98.50 : x - Step 2: Convert to fraction form
39.50/98.50 = 98.50/x - Step 3: Cross multiply
39.50x = 98.50 × 98.50 - Step 4: Simplify right side
39.50x = 9,702.25 - Step 5: Solve for x
x = 9,702.25/39.50 - Step 6: Final answer
x = 245.63
Related Problems
Find third proportional to 19.75 and 49.25
Half scale
Find third proportional to 79 and 197
Double scale
Find third proportional to 42 and 103
Similar ratio
Find third proportional to 59.25 and 147.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.