Finding the Third Proportional to 408,138.75 and 537,090.75
Calculator
Solution
The third proportional to 408,138.75 and 537,090.75 is: 706,785.31
Step by Step Solution
- Step 1: Write the proportion equation
408,138.75 : 537,090.75 = 537,090.75 : x - Step 2: Convert to fraction form
408,138.75/537,090.75 = 537,090.75/x - Step 3: Cross multiply
408,138.75x = 537,090.75 × 537,090.75 - Step 4: Simplify right side
408,138.75x = 288,466,473,735.56 - Step 5: Solve for x
x = 288,466,473,735.56/408,138.75 - Step 6: Final answer
x = 706,785.31
Related Problems
Find third proportional to 204,069.38 and 268,545.38
Half scale
Find third proportional to 816,277.50 and 1,074,181.50
Double scale
Find third proportional to 408,141 and 537,093
Similar ratio
Find third proportional to 612,208.13 and 805,636.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.