Finding the Third Proportional to 138,466 and 300,260
Calculator
Solution
The third proportional to 138,466 and 300,260 is: 651,106.17
Step by Step Solution
- Step 1: Write the proportion equation
138,466 : 300,260 = 300,260 : x - Step 2: Convert to fraction form
138,466/300,260 = 300,260/x - Step 3: Cross multiply
138,466x = 300,260 × 300,260 - Step 4: Simplify right side
138,466x = 90,156,067,600 - Step 5: Solve for x
x = 90,156,067,600/138,466 - Step 6: Final answer
x = 651,106.17
Related Problems
Find third proportional to 69,233 and 150,130
Half scale
Find third proportional to 276,932 and 600,520
Double scale
Find third proportional to 138,468 and 300,264
Similar ratio
Find third proportional to 207,699 and 450,390
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.