Finding the Third Proportional to 741 and 1,212.50
Calculator
Solution
The third proportional to 741 and 1,212.50 is: 1,984.02
Step by Step Solution
- Step 1: Write the proportion equation
741 : 1,212.50 = 1,212.50 : x - Step 2: Convert to fraction form
741/1,212.50 = 1,212.50/x - Step 3: Cross multiply
741x = 1,212.50 × 1,212.50 - Step 4: Simplify right side
741x = 1,470,156.25 - Step 5: Solve for x
x = 1,470,156.25/741 - Step 6: Final answer
x = 1,984.02
Related Problems
Find third proportional to 370.50 and 606.25
Half scale
Find third proportional to 1,482 and 2,425
Double scale
Find third proportional to 743 and 1,216
Similar ratio
Find third proportional to 1,111.50 and 1,818.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.