Finding the Third Proportional to 4,991,278 and 10,218,644
Calculator
Solution
The third proportional to 4,991,278 and 10,218,644 is: 20,920,630.99
Step by Step Solution
- Step 1: Write the proportion equation
4,991,278 : 10,218,644 = 10,218,644 : x - Step 2: Convert to fraction form
4,991,278/10,218,644 = 10,218,644/x - Step 3: Cross multiply
4,991,278x = 10,218,644 × 10,218,644 - Step 4: Simplify right side
4,991,278x = 104,420,685,198,736 - Step 5: Solve for x
x = 104,420,685,198,736/4,991,278 - Step 6: Final answer
x = 20,920,630.99
Related Problems
Find third proportional to 2,495,639 and 5,109,322
Half scale
Find third proportional to 9,982,556 and 20,437,288
Double scale
Find third proportional to 4,991,280 and 10,218,648
Similar ratio
Find third proportional to 7,486,917 and 15,327,966
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.