Finding the Third Proportional to 172,192 and 258,460
Calculator
Solution
The third proportional to 172,192 and 258,460 is: 387,948.17
Step by Step Solution
- Step 1: Write the proportion equation
172,192 : 258,460 = 258,460 : x - Step 2: Convert to fraction form
172,192/258,460 = 258,460/x - Step 3: Cross multiply
172,192x = 258,460 × 258,460 - Step 4: Simplify right side
172,192x = 66,801,571,600 - Step 5: Solve for x
x = 66,801,571,600/172,192 - Step 6: Final answer
x = 387,948.17
Related Problems
Find third proportional to 86,096 and 129,230
Half scale
Find third proportional to 344,384 and 516,920
Double scale
Find third proportional to 172,194 and 258,463
Similar ratio
Find third proportional to 258,288 and 387,690
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.