Finding the Third Proportional to 68,381.25 and 103,515.75
Calculator
Solution
The third proportional to 68,381.25 and 103,515.75 is: 156,702.47
Step by Step Solution
- Step 1: Write the proportion equation
68,381.25 : 103,515.75 = 103,515.75 : x - Step 2: Convert to fraction form
68,381.25/103,515.75 = 103,515.75/x - Step 3: Cross multiply
68,381.25x = 103,515.75 × 103,515.75 - Step 4: Simplify right side
68,381.25x = 10,715,510,498.06 - Step 5: Solve for x
x = 10,715,510,498.06/68,381.25 - Step 6: Final answer
x = 156,702.47
Related Problems
Find third proportional to 34,190.63 and 51,757.88
Half scale
Find third proportional to 136,762.50 and 207,031.50
Double scale
Find third proportional to 68,383 and 103,519
Similar ratio
Find third proportional to 102,571.88 and 155,273.63
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.