Finding the Third Proportional to 147,878 and 320,667
Calculator
Solution
The third proportional to 147,878 and 320,667 is: 695,352.42
Step by Step Solution
- Step 1: Write the proportion equation
147,878 : 320,667 = 320,667 : x - Step 2: Convert to fraction form
147,878/320,667 = 320,667/x - Step 3: Cross multiply
147,878x = 320,667 × 320,667 - Step 4: Simplify right side
147,878x = 102,827,324,889 - Step 5: Solve for x
x = 102,827,324,889/147,878 - Step 6: Final answer
x = 695,352.42
Related Problems
Find third proportional to 73,939 and 160,333.50
Half scale
Find third proportional to 295,756 and 641,334
Double scale
Find third proportional to 147,880 and 320,671
Similar ratio
Find third proportional to 221,817 and 481,000.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.