Finding the Third Proportional to 715 and 1,456
Calculator
Solution
The third proportional to 715 and 1,456 is: 2,964.95
Step by Step Solution
- Step 1: Write the proportion equation
715 : 1,456 = 1,456 : x - Step 2: Convert to fraction form
715/1,456 = 1,456/x - Step 3: Cross multiply
715x = 1,456 × 1,456 - Step 4: Simplify right side
715x = 2,119,936 - Step 5: Solve for x
x = 2,119,936/715 - Step 6: Final answer
x = 2,964.95
Related Problems
Find third proportional to 357.50 and 728
Half scale
Find third proportional to 1,430 and 2,912
Double scale
Find third proportional to 717 and 1,460
Similar ratio
Find third proportional to 1,072.50 and 2,184
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.