Finding the Third Proportional to 220,710 and 349,722
Calculator
Solution
The third proportional to 220,710 and 349,722 is: 554,145.61
Step by Step Solution
- Step 1: Write the proportion equation
220,710 : 349,722 = 349,722 : x - Step 2: Convert to fraction form
220,710/349,722 = 349,722/x - Step 3: Cross multiply
220,710x = 349,722 × 349,722 - Step 4: Simplify right side
220,710x = 122,305,477,284 - Step 5: Solve for x
x = 122,305,477,284/220,710 - Step 6: Final answer
x = 554,145.61
Related Problems
Find third proportional to 110,355 and 174,861
Half scale
Find third proportional to 441,420 and 699,444
Double scale
Find third proportional to 220,712 and 349,725
Similar ratio
Find third proportional to 331,065 and 524,583
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.