Finding the Third Proportional to 326,270 and 459,469
Calculator
Solution
The third proportional to 326,270 and 459,469 is: 647,046.19
Step by Step Solution
- Step 1: Write the proportion equation
326,270 : 459,469 = 459,469 : x - Step 2: Convert to fraction form
326,270/459,469 = 459,469/x - Step 3: Cross multiply
326,270x = 459,469 × 459,469 - Step 4: Simplify right side
326,270x = 211,111,761,961 - Step 5: Solve for x
x = 211,111,761,961/326,270 - Step 6: Final answer
x = 647,046.19
Related Problems
Find third proportional to 163,135 and 229,734.50
Half scale
Find third proportional to 652,540 and 918,938
Double scale
Find third proportional to 326,272 and 459,472
Similar ratio
Find third proportional to 489,405 and 689,203.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.