Finding the Third Proportional to 289,353.75 and 634,734.75
Calculator
Solution
The third proportional to 289,353.75 and 634,734.75 is: 1,392,372.50
Step by Step Solution
- Step 1: Write the proportion equation
289,353.75 : 634,734.75 = 634,734.75 : x - Step 2: Convert to fraction form
289,353.75/634,734.75 = 634,734.75/x - Step 3: Cross multiply
289,353.75x = 634,734.75 × 634,734.75 - Step 4: Simplify right side
289,353.75x = 402,888,202,857.56 - Step 5: Solve for x
x = 402,888,202,857.56/289,353.75 - Step 6: Final answer
x = 1,392,372.50
Related Problems
Find third proportional to 144,676.88 and 317,367.38
Half scale
Find third proportional to 578,707.50 and 1,269,469.50
Double scale
Find third proportional to 289,356 and 634,739
Similar ratio
Find third proportional to 434,030.63 and 952,102.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.