Finding the Third Proportional to 218,254 and 329,325
Calculator
Solution
The third proportional to 218,254 and 329,325 is: 496,920.82
Step by Step Solution
- Step 1: Write the proportion equation
218,254 : 329,325 = 329,325 : x - Step 2: Convert to fraction form
218,254/329,325 = 329,325/x - Step 3: Cross multiply
218,254x = 329,325 × 329,325 - Step 4: Simplify right side
218,254x = 108,454,955,625 - Step 5: Solve for x
x = 108,454,955,625/218,254 - Step 6: Final answer
x = 496,920.82
Related Problems
Find third proportional to 109,127 and 164,662.50
Half scale
Find third proportional to 436,508 and 658,650
Double scale
Find third proportional to 218,256 and 329,328
Similar ratio
Find third proportional to 327,381 and 493,987.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.