Finding the Third Proportional to 449,728 and 672,160
Calculator
Solution
The third proportional to 449,728 and 672,160 is: 1,004,605.15
Step by Step Solution
- Step 1: Write the proportion equation
449,728 : 672,160 = 672,160 : x - Step 2: Convert to fraction form
449,728/672,160 = 672,160/x - Step 3: Cross multiply
449,728x = 672,160 × 672,160 - Step 4: Simplify right side
449,728x = 451,799,065,600 - Step 5: Solve for x
x = 451,799,065,600/449,728 - Step 6: Final answer
x = 1,004,605.15
Related Problems
Find third proportional to 224,864 and 336,080
Half scale
Find third proportional to 899,456 and 1,344,320
Double scale
Find third proportional to 449,730 and 672,163
Similar ratio
Find third proportional to 674,592 and 1,008,240
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.