Finding the Third Proportional to 1,201 and 1,803
Calculator
Solution
The third proportional to 1,201 and 1,803 is: 2,706.75
Step by Step Solution
- Step 1: Write the proportion equation
1,201 : 1,803 = 1,803 : x - Step 2: Convert to fraction form
1,201/1,803 = 1,803/x - Step 3: Cross multiply
1,201x = 1,803 × 1,803 - Step 4: Simplify right side
1,201x = 3,250,809 - Step 5: Solve for x
x = 3,250,809/1,201 - Step 6: Final answer
x = 2,706.75
Related Problems
Find third proportional to 600.50 and 901.50
Half scale
Find third proportional to 2,402 and 3,606
Double scale
Find third proportional to 1,203 and 1,806
Similar ratio
Find third proportional to 1,801.50 and 2,704.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.