Finding the Third Proportional to 30,867 and 43,705.50
Calculator
Solution
The third proportional to 30,867 and 43,705.50 is: 61,883.91
Step by Step Solution
- Step 1: Write the proportion equation
30,867 : 43,705.50 = 43,705.50 : x - Step 2: Convert to fraction form
30,867/43,705.50 = 43,705.50/x - Step 3: Cross multiply
30,867x = 43,705.50 × 43,705.50 - Step 4: Simplify right side
30,867x = 1,910,170,730.25 - Step 5: Solve for x
x = 1,910,170,730.25/30,867 - Step 6: Final answer
x = 61,883.91
Related Problems
Find third proportional to 15,433.50 and 21,852.75
Half scale
Find third proportional to 61,734 and 87,411
Double scale
Find third proportional to 30,869 and 43,708
Similar ratio
Find third proportional to 46,300.50 and 65,558.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.