Finding the Third Proportional to 734 and 1,129
Calculator
Solution
The third proportional to 734 and 1,129 is: 1,736.57
Step by Step Solution
- Step 1: Write the proportion equation
734 : 1,129 = 1,129 : x - Step 2: Convert to fraction form
734/1,129 = 1,129/x - Step 3: Cross multiply
734x = 1,129 × 1,129 - Step 4: Simplify right side
734x = 1,274,641 - Step 5: Solve for x
x = 1,274,641/734 - Step 6: Final answer
x = 1,736.57
Related Problems
Find third proportional to 367 and 564.50
Half scale
Find third proportional to 1,468 and 2,258
Double scale
Find third proportional to 736 and 1,132
Similar ratio
Find third proportional to 1,101 and 1,693.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.