Finding the Third Proportional to 80,988.75 and 91,137.75
Calculator
Solution
The third proportional to 80,988.75 and 91,137.75 is: 102,558.56
Step by Step Solution
- Step 1: Write the proportion equation
80,988.75 : 91,137.75 = 91,137.75 : x - Step 2: Convert to fraction form
80,988.75/91,137.75 = 91,137.75/x - Step 3: Cross multiply
80,988.75x = 91,137.75 × 91,137.75 - Step 4: Simplify right side
80,988.75x = 8,306,089,475.06 - Step 5: Solve for x
x = 8,306,089,475.06/80,988.75 - Step 6: Final answer
x = 102,558.56
Related Problems
Find third proportional to 40,494.38 and 45,568.88
Half scale
Find third proportional to 161,977.50 and 182,275.50
Double scale
Find third proportional to 80,991 and 91,140
Similar ratio
Find third proportional to 121,483.13 and 136,706.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.