Finding the Third Proportional to 17,480 and 37,740
Calculator
Solution
The third proportional to 17,480 and 37,740 is: 81,482.13
Step by Step Solution
- Step 1: Write the proportion equation
17,480 : 37,740 = 37,740 : x - Step 2: Convert to fraction form
17,480/37,740 = 37,740/x - Step 3: Cross multiply
17,480x = 37,740 × 37,740 - Step 4: Simplify right side
17,480x = 1,424,307,600 - Step 5: Solve for x
x = 1,424,307,600/17,480 - Step 6: Final answer
x = 81,482.13
Related Problems
Find third proportional to 8,740 and 18,870
Half scale
Find third proportional to 34,960 and 75,480
Double scale
Find third proportional to 17,482 and 37,744
Similar ratio
Find third proportional to 26,220 and 56,610
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.