Finding the Third Proportional to 354,709.13 and 509,920.31
Calculator
Solution
The third proportional to 354,709.13 and 509,920.31 is: 733,047.75
Step by Step Solution
- Step 1: Write the proportion equation
354,709.13 : 509,920.31 = 509,920.31 : x - Step 2: Convert to fraction form
354,709.13/509,920.31 = 509,920.31/x - Step 3: Cross multiply
354,709.13x = 509,920.31 × 509,920.31 - Step 4: Simplify right side
354,709.13x = 260,018,725,100.10 - Step 5: Solve for x
x = 260,018,725,100.10/354,709.13 - Step 6: Final answer
x = 733,047.75
Related Problems
Find third proportional to 177,354.56 and 254,960.16
Half scale
Find third proportional to 709,418.25 and 1,019,840.63
Double scale
Find third proportional to 354,711 and 509,923
Similar ratio
Find third proportional to 532,063.69 and 764,880.47
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.