Finding the Third Proportional to 90,171 and 132,705
Calculator
Solution
The third proportional to 90,171 and 132,705 is: 195,302.45
Step by Step Solution
- Step 1: Write the proportion equation
90,171 : 132,705 = 132,705 : x - Step 2: Convert to fraction form
90,171/132,705 = 132,705/x - Step 3: Cross multiply
90,171x = 132,705 × 132,705 - Step 4: Simplify right side
90,171x = 17,610,617,025 - Step 5: Solve for x
x = 17,610,617,025/90,171 - Step 6: Final answer
x = 195,302.45
Related Problems
Find third proportional to 45,085.50 and 66,352.50
Half scale
Find third proportional to 180,342 and 265,410
Double scale
Find third proportional to 90,173 and 132,708
Similar ratio
Find third proportional to 135,256.50 and 199,057.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.