Finding the Third Proportional to 29,550 and 39,870
Calculator
Solution
The third proportional to 29,550 and 39,870 is: 53,794.14
Step by Step Solution
- Step 1: Write the proportion equation
29,550 : 39,870 = 39,870 : x - Step 2: Convert to fraction form
29,550/39,870 = 39,870/x - Step 3: Cross multiply
29,550x = 39,870 × 39,870 - Step 4: Simplify right side
29,550x = 1,589,616,900 - Step 5: Solve for x
x = 1,589,616,900/29,550 - Step 6: Final answer
x = 53,794.14
Related Problems
Find third proportional to 14,775 and 19,935
Half scale
Find third proportional to 59,100 and 79,740
Double scale
Find third proportional to 29,552 and 39,873
Similar ratio
Find third proportional to 44,325 and 59,805
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.