Finding the Third Proportional to 213 and 524.50
Calculator
Solution
The third proportional to 213 and 524.50 is: 1,291.55
Step by Step Solution
- Step 1: Write the proportion equation
213 : 524.50 = 524.50 : x - Step 2: Convert to fraction form
213/524.50 = 524.50/x - Step 3: Cross multiply
213x = 524.50 × 524.50 - Step 4: Simplify right side
213x = 275,100.25 - Step 5: Solve for x
x = 275,100.25/213 - Step 6: Final answer
x = 1,291.55
Related Problems
Find third proportional to 106.50 and 262.25
Half scale
Find third proportional to 426 and 1,049
Double scale
Find third proportional to 215 and 529
Similar ratio
Find third proportional to 319.50 and 786.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.