Finding the Third Proportional to 328,236.75 and 679,234.50
Calculator
Solution
The third proportional to 328,236.75 and 679,234.50 is: 1,405,569.32
Step by Step Solution
- Step 1: Write the proportion equation
328,236.75 : 679,234.50 = 679,234.50 : x - Step 2: Convert to fraction form
328,236.75/679,234.50 = 679,234.50/x - Step 3: Cross multiply
328,236.75x = 679,234.50 × 679,234.50 - Step 4: Simplify right side
328,236.75x = 461,359,505,990.25 - Step 5: Solve for x
x = 461,359,505,990.25/328,236.75 - Step 6: Final answer
x = 1,405,569.32
Related Problems
Find third proportional to 164,118.38 and 339,617.25
Half scale
Find third proportional to 656,473.50 and 1,358,469
Double scale
Find third proportional to 328,239 and 679,239
Similar ratio
Find third proportional to 492,355.13 and 1,018,851.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.