Finding the Third Proportional to 811,760 and 1,292,816
Calculator
Solution
The third proportional to 811,760 and 1,292,816 is: 2,058,949.95
Step by Step Solution
- Step 1: Write the proportion equation
811,760 : 1,292,816 = 1,292,816 : x - Step 2: Convert to fraction form
811,760/1,292,816 = 1,292,816/x - Step 3: Cross multiply
811,760x = 1,292,816 × 1,292,816 - Step 4: Simplify right side
811,760x = 1,671,373,209,856 - Step 5: Solve for x
x = 1,671,373,209,856/811,760 - Step 6: Final answer
x = 2,058,949.95
Related Problems
Find third proportional to 405,880 and 646,408
Half scale
Find third proportional to 1,623,520 and 2,585,632
Double scale
Find third proportional to 811,762 and 1,292,819
Similar ratio
Find third proportional to 1,217,640 and 1,939,224
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.