Finding the Third Proportional to 299,425.50 and 440,385.75
Calculator
Solution
The third proportional to 299,425.50 and 440,385.75 is: 647,705.72
Step by Step Solution
- Step 1: Write the proportion equation
299,425.50 : 440,385.75 = 440,385.75 : x - Step 2: Convert to fraction form
299,425.50/440,385.75 = 440,385.75/x - Step 3: Cross multiply
299,425.50x = 440,385.75 × 440,385.75 - Step 4: Simplify right side
299,425.50x = 193,939,608,803.06 - Step 5: Solve for x
x = 193,939,608,803.06/299,425.50 - Step 6: Final answer
x = 647,705.72
Related Problems
Find third proportional to 149,712.75 and 220,192.88
Half scale
Find third proportional to 598,851 and 880,771.50
Double scale
Find third proportional to 299,428 and 440,389
Similar ratio
Find third proportional to 449,138.25 and 660,578.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.