Finding the Third Proportional to 154,828 and 358,414
Calculator
Solution
The third proportional to 154,828 and 358,414 is: 829,698.73
Step by Step Solution
- Step 1: Write the proportion equation
154,828 : 358,414 = 358,414 : x - Step 2: Convert to fraction form
154,828/358,414 = 358,414/x - Step 3: Cross multiply
154,828x = 358,414 × 358,414 - Step 4: Simplify right side
154,828x = 128,460,595,396 - Step 5: Solve for x
x = 128,460,595,396/154,828 - Step 6: Final answer
x = 829,698.73
Related Problems
Find third proportional to 77,414 and 179,207
Half scale
Find third proportional to 309,656 and 716,828
Double scale
Find third proportional to 154,830 and 358,419
Similar ratio
Find third proportional to 232,242 and 537,621
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.