Finding the Third Proportional to 889,770 and 1,378,887
Calculator
Solution
The third proportional to 889,770 and 1,378,887 is: 2,136,877.35
Step by Step Solution
- Step 1: Write the proportion equation
889,770 : 1,378,887 = 1,378,887 : x - Step 2: Convert to fraction form
889,770/1,378,887 = 1,378,887/x - Step 3: Cross multiply
889,770x = 1,378,887 × 1,378,887 - Step 4: Simplify right side
889,770x = 1,901,329,358,769 - Step 5: Solve for x
x = 1,901,329,358,769/889,770 - Step 6: Final answer
x = 2,136,877.35
Related Problems
Find third proportional to 444,885 and 689,443.50
Half scale
Find third proportional to 1,779,540 and 2,757,774
Double scale
Find third proportional to 889,772 and 1,378,890
Similar ratio
Find third proportional to 1,334,655 and 2,068,330.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.