Finding the Third Proportional to 20,745 and 45,013.50
Calculator
Solution
The third proportional to 20,745 and 45,013.50 is: 97,672.46
Step by Step Solution
- Step 1: Write the proportion equation
20,745 : 45,013.50 = 45,013.50 : x - Step 2: Convert to fraction form
20,745/45,013.50 = 45,013.50/x - Step 3: Cross multiply
20,745x = 45,013.50 × 45,013.50 - Step 4: Simplify right side
20,745x = 2,026,215,182.25 - Step 5: Solve for x
x = 2,026,215,182.25/20,745 - Step 6: Final answer
x = 97,672.46
Related Problems
Find third proportional to 10,372.50 and 22,506.75
Half scale
Find third proportional to 41,490 and 90,027
Double scale
Find third proportional to 20,747 and 45,018
Similar ratio
Find third proportional to 31,117.50 and 67,520.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.