Finding the Third Proportional to 103.50 and 164.25
Calculator
Solution
The third proportional to 103.50 and 164.25 is: 260.66
Step by Step Solution
- Step 1: Write the proportion equation
103.50 : 164.25 = 164.25 : x - Step 2: Convert to fraction form
103.50/164.25 = 164.25/x - Step 3: Cross multiply
103.50x = 164.25 × 164.25 - Step 4: Simplify right side
103.50x = 26,978.06 - Step 5: Solve for x
x = 26,978.06/103.50 - Step 6: Final answer
x = 260.66
Related Problems
Find third proportional to 51.75 and 82.13
Half scale
Find third proportional to 207 and 328.50
Double scale
Find third proportional to 106 and 167
Similar ratio
Find third proportional to 155.25 and 246.38
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.