Finding the Third Proportional to 8,437,803 and 18,408,894
Calculator
Solution
The third proportional to 8,437,803 and 18,408,894 is: 40,162,987.72
Step by Step Solution
- Step 1: Write the proportion equation
8,437,803 : 18,408,894 = 18,408,894 : x - Step 2: Convert to fraction form
8,437,803/18,408,894 = 18,408,894/x - Step 3: Cross multiply
8,437,803x = 18,408,894 × 18,408,894 - Step 4: Simplify right side
8,437,803x = 338,887,378,303,236 - Step 5: Solve for x
x = 338,887,378,303,236/8,437,803 - Step 6: Final answer
x = 40,162,987.72
Related Problems
Find third proportional to 4,218,901.50 and 9,204,447
Half scale
Find third proportional to 16,875,606 and 36,817,788
Double scale
Find third proportional to 8,437,805 and 18,408,898
Similar ratio
Find third proportional to 12,656,704.50 and 27,613,341
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.