Finding the Third Proportional to 840,576 and 1,257,894
Calculator
Solution
The third proportional to 840,576 and 1,257,894 is: 1,882,396.49
Step by Step Solution
- Step 1: Write the proportion equation
840,576 : 1,257,894 = 1,257,894 : x - Step 2: Convert to fraction form
840,576/1,257,894 = 1,257,894/x - Step 3: Cross multiply
840,576x = 1,257,894 × 1,257,894 - Step 4: Simplify right side
840,576x = 1,582,297,315,236 - Step 5: Solve for x
x = 1,582,297,315,236/840,576 - Step 6: Final answer
x = 1,882,396.49
Related Problems
Find third proportional to 420,288 and 628,947
Half scale
Find third proportional to 1,681,152 and 2,515,788
Double scale
Find third proportional to 840,578 and 1,257,897
Similar ratio
Find third proportional to 1,260,864 and 1,886,841
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.