Finding the Third Proportional to 140,310 and 300,564
Calculator
Solution
The third proportional to 140,310 and 300,564 is: 643,850.89
Step by Step Solution
- Step 1: Write the proportion equation
140,310 : 300,564 = 300,564 : x - Step 2: Convert to fraction form
140,310/300,564 = 300,564/x - Step 3: Cross multiply
140,310x = 300,564 × 300,564 - Step 4: Simplify right side
140,310x = 90,338,718,096 - Step 5: Solve for x
x = 90,338,718,096/140,310 - Step 6: Final answer
x = 643,850.89
Related Problems
Find third proportional to 70,155 and 150,282
Half scale
Find third proportional to 280,620 and 601,128
Double scale
Find third proportional to 140,312 and 300,568
Similar ratio
Find third proportional to 210,465 and 450,846
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.