Finding the Third Proportional to 79,531.88 and 122,988.38
Calculator
Solution
The third proportional to 79,531.88 and 122,988.38 is: 190,189.66
Step by Step Solution
- Step 1: Write the proportion equation
79,531.88 : 122,988.38 = 122,988.38 : x - Step 2: Convert to fraction form
79,531.88/122,988.38 = 122,988.38/x - Step 3: Cross multiply
79,531.88x = 122,988.38 × 122,988.38 - Step 4: Simplify right side
79,531.88x = 15,126,140,385.14 - Step 5: Solve for x
x = 15,126,140,385.14/79,531.88 - Step 6: Final answer
x = 190,189.66
Related Problems
Find third proportional to 39,765.94 and 61,494.19
Half scale
Find third proportional to 159,063.75 and 245,976.75
Double scale
Find third proportional to 79,534 and 122,991
Similar ratio
Find third proportional to 119,297.81 and 184,482.56
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.