Finding the Third Proportional to 215,538.19 and 326,292.19
Calculator
Solution
The third proportional to 215,538.19 and 326,292.19 is: 493,956.98
Step by Step Solution
- Step 1: Write the proportion equation
215,538.19 : 326,292.19 = 326,292.19 : x - Step 2: Convert to fraction form
215,538.19/326,292.19 = 326,292.19/x - Step 3: Cross multiply
215,538.19x = 326,292.19 × 326,292.19 - Step 4: Simplify right side
215,538.19x = 106,466,591,623.54 - Step 5: Solve for x
x = 106,466,591,623.54/215,538.19 - Step 6: Final answer
x = 493,956.98
Related Problems
Find third proportional to 107,769.09 and 163,146.09
Half scale
Find third proportional to 431,076.38 and 652,584.38
Double scale
Find third proportional to 215,540 and 326,295
Similar ratio
Find third proportional to 323,307.28 and 489,438.28
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.