Finding the Third Proportional to 17,907 and 39,000
Calculator
Solution
The third proportional to 17,907 and 39,000 is: 84,938.85
Step by Step Solution
- Step 1: Write the proportion equation
17,907 : 39,000 = 39,000 : x - Step 2: Convert to fraction form
17,907/39,000 = 39,000/x - Step 3: Cross multiply
17,907x = 39,000 × 39,000 - Step 4: Simplify right side
17,907x = 1,521,000,000 - Step 5: Solve for x
x = 1,521,000,000/17,907 - Step 6: Final answer
x = 84,938.85
Related Problems
Find third proportional to 8,953.50 and 19,500
Half scale
Find third proportional to 35,814 and 78,000
Double scale
Find third proportional to 17,909 and 39,004
Similar ratio
Find third proportional to 26,860.50 and 58,500
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.