Finding the Third Proportional to 153,407.81 and 328,137.19
Calculator
Solution
The third proportional to 153,407.81 and 328,137.19 is: 701,880.90
Step by Step Solution
- Step 1: Write the proportion equation
153,407.81 : 328,137.19 = 328,137.19 : x - Step 2: Convert to fraction form
153,407.81/328,137.19 = 328,137.19/x - Step 3: Cross multiply
153,407.81x = 328,137.19 × 328,137.19 - Step 4: Simplify right side
153,407.81x = 107,674,013,820.41 - Step 5: Solve for x
x = 107,674,013,820.41/153,407.81 - Step 6: Final answer
x = 701,880.90
Related Problems
Find third proportional to 76,703.91 and 164,068.59
Half scale
Find third proportional to 306,815.63 and 656,274.38
Double scale
Find third proportional to 153,410 and 328,141
Similar ratio
Find third proportional to 230,111.72 and 492,205.78
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.