Finding the Third Proportional to 18,828,400 and 28,217,304
Calculator
Solution
The third proportional to 18,828,400 and 28,217,304 is: 42,288,045.99
Step by Step Solution
- Step 1: Write the proportion equation
18,828,400 : 28,217,304 = 28,217,304 : x - Step 2: Convert to fraction form
18,828,400/28,217,304 = 28,217,304/x - Step 3: Cross multiply
18,828,400x = 28,217,304 × 28,217,304 - Step 4: Simplify right side
18,828,400x = 796,216,245,028,416 - Step 5: Solve for x
x = 796,216,245,028,416/18,828,400 - Step 6: Final answer
x = 42,288,045.99
Related Problems
Find third proportional to 9,414,200 and 14,108,652
Half scale
Find third proportional to 37,656,800 and 56,434,608
Double scale
Find third proportional to 18,828,402 and 28,217,307
Similar ratio
Find third proportional to 28,242,600 and 42,325,956
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.