Finding the Third Proportional to 301,137.75 and 440,376.75
Calculator
Solution
The third proportional to 301,137.75 and 440,376.75 is: 643,996.58
Step by Step Solution
- Step 1: Write the proportion equation
301,137.75 : 440,376.75 = 440,376.75 : x - Step 2: Convert to fraction form
301,137.75/440,376.75 = 440,376.75/x - Step 3: Cross multiply
301,137.75x = 440,376.75 × 440,376.75 - Step 4: Simplify right side
301,137.75x = 193,931,681,940.56 - Step 5: Solve for x
x = 193,931,681,940.56/301,137.75 - Step 6: Final answer
x = 643,996.58
Related Problems
Find third proportional to 150,568.88 and 220,188.38
Half scale
Find third proportional to 602,275.50 and 880,753.50
Double scale
Find third proportional to 301,140 and 440,380
Similar ratio
Find third proportional to 451,706.63 and 660,565.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.