Finding the Third Proportional to 145,538.44 and 316,704.94
Calculator
Solution
The third proportional to 145,538.44 and 316,704.94 is: 689,178.88
Step by Step Solution
- Step 1: Write the proportion equation
145,538.44 : 316,704.94 = 316,704.94 : x - Step 2: Convert to fraction form
145,538.44/316,704.94 = 316,704.94/x - Step 3: Cross multiply
145,538.44x = 316,704.94 × 316,704.94 - Step 4: Simplify right side
145,538.44x = 100,302,017,436.88 - Step 5: Solve for x
x = 100,302,017,436.88/145,538.44 - Step 6: Final answer
x = 689,178.88
Related Problems
Find third proportional to 72,769.22 and 158,352.47
Half scale
Find third proportional to 291,076.88 and 633,409.88
Double scale
Find third proportional to 145,540 and 316,709
Similar ratio
Find third proportional to 218,307.66 and 475,057.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.