Finding the Third Proportional to 297,672 and 642,000
Calculator
Solution
The third proportional to 297,672 and 642,000 is: 1,384,624.69
Step by Step Solution
- Step 1: Write the proportion equation
297,672 : 642,000 = 642,000 : x - Step 2: Convert to fraction form
297,672/642,000 = 642,000/x - Step 3: Cross multiply
297,672x = 642,000 × 642,000 - Step 4: Simplify right side
297,672x = 412,164,000,000 - Step 5: Solve for x
x = 412,164,000,000/297,672 - Step 6: Final answer
x = 1,384,624.69
Related Problems
Find third proportional to 148,836 and 321,000
Half scale
Find third proportional to 595,344 and 1,284,000
Double scale
Find third proportional to 297,674 and 642,004
Similar ratio
Find third proportional to 446,508 and 963,000
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.