Finding the Third Proportional to 87,689.75 and 189,391.75
Calculator
Solution
The third proportional to 87,689.75 and 189,391.75 is: 409,047.07
Step by Step Solution
- Step 1: Write the proportion equation
87,689.75 : 189,391.75 = 189,391.75 : x - Step 2: Convert to fraction form
87,689.75/189,391.75 = 189,391.75/x - Step 3: Cross multiply
87,689.75x = 189,391.75 × 189,391.75 - Step 4: Simplify right side
87,689.75x = 35,869,234,968.06 - Step 5: Solve for x
x = 35,869,234,968.06/87,689.75 - Step 6: Final answer
x = 409,047.07
Related Problems
Find third proportional to 43,844.88 and 94,695.88
Half scale
Find third proportional to 175,379.50 and 378,783.50
Double scale
Find third proportional to 87,692 and 189,396
Similar ratio
Find third proportional to 131,534.63 and 284,087.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.