Finding the Third Proportional to 100,996 and 156,817.50
Calculator
Solution
The third proportional to 100,996 and 156,817.50 is: 243,492.10
Step by Step Solution
- Step 1: Write the proportion equation
100,996 : 156,817.50 = 156,817.50 : x - Step 2: Convert to fraction form
100,996/156,817.50 = 156,817.50/x - Step 3: Cross multiply
100,996x = 156,817.50 × 156,817.50 - Step 4: Simplify right side
100,996x = 24,591,728,306.25 - Step 5: Solve for x
x = 24,591,728,306.25/100,996 - Step 6: Final answer
x = 243,492.10
Related Problems
Find third proportional to 50,498 and 78,408.75
Half scale
Find third proportional to 201,992 and 313,635
Double scale
Find third proportional to 100,998 and 156,821
Similar ratio
Find third proportional to 151,494 and 235,226.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.