Finding the Third Proportional to 913 and 1,648
Calculator
Solution
The third proportional to 913 and 1,648 is: 2,974.70
Step by Step Solution
- Step 1: Write the proportion equation
913 : 1,648 = 1,648 : x - Step 2: Convert to fraction form
913/1,648 = 1,648/x - Step 3: Cross multiply
913x = 1,648 × 1,648 - Step 4: Simplify right side
913x = 2,715,904 - Step 5: Solve for x
x = 2,715,904/913 - Step 6: Final answer
x = 2,974.70
Related Problems
Find third proportional to 456.50 and 824
Half scale
Find third proportional to 1,826 and 3,296
Double scale
Find third proportional to 915 and 1,652
Similar ratio
Find third proportional to 1,369.50 and 2,472
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.