Finding the Third Proportional to 205,020 and 430,773
Calculator
Solution
The third proportional to 205,020 and 430,773 is: 905,108.66
Step by Step Solution
- Step 1: Write the proportion equation
205,020 : 430,773 = 430,773 : x - Step 2: Convert to fraction form
205,020/430,773 = 430,773/x - Step 3: Cross multiply
205,020x = 430,773 × 430,773 - Step 4: Simplify right side
205,020x = 185,565,377,529 - Step 5: Solve for x
x = 185,565,377,529/205,020 - Step 6: Final answer
x = 905,108.66
Related Problems
Find third proportional to 102,510 and 215,386.50
Half scale
Find third proportional to 410,040 and 861,546
Double scale
Find third proportional to 205,022 and 430,777
Similar ratio
Find third proportional to 307,530 and 646,159.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.