Finding the Third Proportional to 70.88 and 146.81
Calculator
Solution
The third proportional to 70.88 and 146.81 is: 304.11
Step by Step Solution
- Step 1: Write the proportion equation
70.88 : 146.81 = 146.81 : x - Step 2: Convert to fraction form
70.88/146.81 = 146.81/x - Step 3: Cross multiply
70.88x = 146.81 × 146.81 - Step 4: Simplify right side
70.88x = 21,553.91 - Step 5: Solve for x
x = 21,553.91/70.88 - Step 6: Final answer
x = 304.11
Related Problems
Find third proportional to 35.44 and 73.41
Half scale
Find third proportional to 141.75 and 293.63
Double scale
Find third proportional to 73 and 151
Similar ratio
Find third proportional to 106.31 and 220.22
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.