Finding the Third Proportional to 199,732 and 422,000
Calculator
Solution
The third proportional to 199,732 and 422,000 is: 891,614.76
Step by Step Solution
- Step 1: Write the proportion equation
199,732 : 422,000 = 422,000 : x - Step 2: Convert to fraction form
199,732/422,000 = 422,000/x - Step 3: Cross multiply
199,732x = 422,000 × 422,000 - Step 4: Simplify right side
199,732x = 178,084,000,000 - Step 5: Solve for x
x = 178,084,000,000/199,732 - Step 6: Final answer
x = 891,614.76
Related Problems
Find third proportional to 99,866 and 211,000
Half scale
Find third proportional to 399,464 and 844,000
Double scale
Find third proportional to 199,734 and 422,004
Similar ratio
Find third proportional to 299,598 and 633,000
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.