Finding the Third Proportional to 12,155 and 19,043
Calculator
Solution
The third proportional to 12,155 and 19,043 is: 29,834.29
Step by Step Solution
- Step 1: Write the proportion equation
12,155 : 19,043 = 19,043 : x - Step 2: Convert to fraction form
12,155/19,043 = 19,043/x - Step 3: Cross multiply
12,155x = 19,043 × 19,043 - Step 4: Simplify right side
12,155x = 362,635,849 - Step 5: Solve for x
x = 362,635,849/12,155 - Step 6: Final answer
x = 29,834.29
Related Problems
Find third proportional to 6,077.50 and 9,521.50
Half scale
Find third proportional to 24,310 and 38,086
Double scale
Find third proportional to 12,157 and 19,046
Similar ratio
Find third proportional to 18,232.50 and 28,564.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.