Finding the Third Proportional to 143,735.63 and 312,639.75
Calculator
Solution
The third proportional to 143,735.63 and 312,639.75 is: 680,023.57
Step by Step Solution
- Step 1: Write the proportion equation
143,735.63 : 312,639.75 = 312,639.75 : x - Step 2: Convert to fraction form
143,735.63/312,639.75 = 312,639.75/x - Step 3: Cross multiply
143,735.63x = 312,639.75 × 312,639.75 - Step 4: Simplify right side
143,735.63x = 97,743,613,280.06 - Step 5: Solve for x
x = 97,743,613,280.06/143,735.63 - Step 6: Final answer
x = 680,023.57
Related Problems
Find third proportional to 71,867.81 and 156,319.88
Half scale
Find third proportional to 287,471.25 and 625,279.50
Double scale
Find third proportional to 143,738 and 312,644
Similar ratio
Find third proportional to 215,603.44 and 468,959.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.