Finding the Third Proportional to 9,900 and 14,850
Calculator
Solution
The third proportional to 9,900 and 14,850 is: 22,275
Step by Step Solution
- Step 1: Write the proportion equation
9,900 : 14,850 = 14,850 : x - Step 2: Convert to fraction form
9,900/14,850 = 14,850/x - Step 3: Cross multiply
9,900x = 14,850 × 14,850 - Step 4: Simplify right side
9,900x = 220,522,500 - Step 5: Solve for x
x = 220,522,500/9,900 - Step 6: Final answer
x = 22,275
Related Problems
Find third proportional to 4,950 and 7,425
Half scale
Find third proportional to 19,800 and 29,700
Double scale
Find third proportional to 9,902 and 14,853
Similar ratio
Find third proportional to 14,850 and 22,275
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.