Finding the Third Proportional to 203,421 and 306,616.50
Calculator
Solution
The third proportional to 203,421 and 306,616.50 is: 462,163.09
Step by Step Solution
- Step 1: Write the proportion equation
203,421 : 306,616.50 = 306,616.50 : x - Step 2: Convert to fraction form
203,421/306,616.50 = 306,616.50/x - Step 3: Cross multiply
203,421x = 306,616.50 × 306,616.50 - Step 4: Simplify right side
203,421x = 94,013,678,072.25 - Step 5: Solve for x
x = 94,013,678,072.25/203,421 - Step 6: Final answer
x = 462,163.09
Related Problems
Find third proportional to 101,710.50 and 153,308.25
Half scale
Find third proportional to 406,842 and 613,233
Double scale
Find third proportional to 203,423 and 306,620
Similar ratio
Find third proportional to 305,131.50 and 459,924.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.