Finding the Third Proportional to 296,489.25 and 638,007.75
Calculator
Solution
The third proportional to 296,489.25 and 638,007.75 is: 1,372,912.81
Step by Step Solution
- Step 1: Write the proportion equation
296,489.25 : 638,007.75 = 638,007.75 : x - Step 2: Convert to fraction form
296,489.25/638,007.75 = 638,007.75/x - Step 3: Cross multiply
296,489.25x = 638,007.75 × 638,007.75 - Step 4: Simplify right side
296,489.25x = 407,053,889,060.06 - Step 5: Solve for x
x = 407,053,889,060.06/296,489.25 - Step 6: Final answer
x = 1,372,912.81
Related Problems
Find third proportional to 148,244.63 and 319,003.88
Half scale
Find third proportional to 592,978.50 and 1,276,015.50
Double scale
Find third proportional to 296,491 and 638,012
Similar ratio
Find third proportional to 444,733.88 and 957,011.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.