Finding the Third Proportional to 522 and 1,105
Calculator
Solution
The third proportional to 522 and 1,105 is: 2,339.13
Step by Step Solution
- Step 1: Write the proportion equation
522 : 1,105 = 1,105 : x - Step 2: Convert to fraction form
522/1,105 = 1,105/x - Step 3: Cross multiply
522x = 1,105 × 1,105 - Step 4: Simplify right side
522x = 1,221,025 - Step 5: Solve for x
x = 1,221,025/522 - Step 6: Final answer
x = 2,339.13
Related Problems
Find third proportional to 261 and 552.50
Half scale
Find third proportional to 1,044 and 2,210
Double scale
Find third proportional to 524 and 1,109
Similar ratio
Find third proportional to 783 and 1,657.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.