Finding the Third Proportional to 13,857.75 and 15,153.75
Calculator
Solution
The third proportional to 13,857.75 and 15,153.75 is: 16,570.95
Step by Step Solution
- Step 1: Write the proportion equation
13,857.75 : 15,153.75 = 15,153.75 : x - Step 2: Convert to fraction form
13,857.75/15,153.75 = 15,153.75/x - Step 3: Cross multiply
13,857.75x = 15,153.75 × 15,153.75 - Step 4: Simplify right side
13,857.75x = 229,636,139.06 - Step 5: Solve for x
x = 229,636,139.06/13,857.75 - Step 6: Final answer
x = 16,570.95
Related Problems
Find third proportional to 6,928.88 and 7,576.88
Half scale
Find third proportional to 27,715.50 and 30,307.50
Double scale
Find third proportional to 13,860 and 15,156
Similar ratio
Find third proportional to 20,786.63 and 22,730.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.