Finding the Third Proportional to 81,965.63 and 130,332.94
Calculator
Solution
The third proportional to 81,965.63 and 130,332.94 is: 207,241.45
Step by Step Solution
- Step 1: Write the proportion equation
81,965.63 : 130,332.94 = 130,332.94 : x - Step 2: Convert to fraction form
81,965.63/130,332.94 = 130,332.94/x - Step 3: Cross multiply
81,965.63x = 130,332.94 × 130,332.94 - Step 4: Simplify right side
81,965.63x = 16,986,674,597.38 - Step 5: Solve for x
x = 16,986,674,597.38/81,965.63 - Step 6: Final answer
x = 207,241.45
Related Problems
Find third proportional to 40,982.81 and 65,166.47
Half scale
Find third proportional to 163,931.25 and 260,665.88
Double scale
Find third proportional to 81,968 and 130,336
Similar ratio
Find third proportional to 122,948.44 and 195,499.41
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.