Finding the Third Proportional to 87,459.75 and 138,270.38
Calculator
Solution
The third proportional to 87,459.75 and 138,270.38 is: 218,599.95
Step by Step Solution
- Step 1: Write the proportion equation
87,459.75 : 138,270.38 = 138,270.38 : x - Step 2: Convert to fraction form
87,459.75/138,270.38 = 138,270.38/x - Step 3: Cross multiply
87,459.75x = 138,270.38 × 138,270.38 - Step 4: Simplify right side
87,459.75x = 19,118,696,602.64 - Step 5: Solve for x
x = 19,118,696,602.64/87,459.75 - Step 6: Final answer
x = 218,599.95
Related Problems
Find third proportional to 43,729.88 and 69,135.19
Half scale
Find third proportional to 174,919.50 and 276,540.75
Double scale
Find third proportional to 87,462 and 138,274
Similar ratio
Find third proportional to 131,189.63 and 207,405.56
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.