Finding the Third Proportional to 272 and 436.50
Calculator
Solution
The third proportional to 272 and 436.50 is: 700.49
Step by Step Solution
- Step 1: Write the proportion equation
272 : 436.50 = 436.50 : x - Step 2: Convert to fraction form
272/436.50 = 436.50/x - Step 3: Cross multiply
272x = 436.50 × 436.50 - Step 4: Simplify right side
272x = 190,532.25 - Step 5: Solve for x
x = 190,532.25/272 - Step 6: Final answer
x = 700.49
Related Problems
Find third proportional to 136 and 218.25
Half scale
Find third proportional to 544 and 873
Double scale
Find third proportional to 274 and 440
Similar ratio
Find third proportional to 408 and 654.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.