Finding the Third Proportional to 19,311.75 and 40,913.02
Calculator
Solution
The third proportional to 19,311.75 and 40,913.02 is: 86,676.50
Step by Step Solution
- Step 1: Write the proportion equation
19,311.75 : 40,913.02 = 40,913.02 : x - Step 2: Convert to fraction form
19,311.75/40,913.02 = 40,913.02/x - Step 3: Cross multiply
19,311.75x = 40,913.02 × 40,913.02 - Step 4: Simplify right side
19,311.75x = 1,673,874,847.53 - Step 5: Solve for x
x = 1,673,874,847.53/19,311.75 - Step 6: Final answer
x = 86,676.50
Related Problems
Find third proportional to 9,655.88 and 20,456.51
Half scale
Find third proportional to 38,623.50 and 81,826.03
Double scale
Find third proportional to 19,314 and 40,917
Similar ratio
Find third proportional to 28,967.63 and 61,369.52
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.