Finding the Third Proportional to 87,113,574 and 189,589,723
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Solution
The third proportional to 87,113,574 and 189,589,723 is: 412,613,803.07
Step by Step Solution
- Step 1: Write the proportion equation
87,113,574 : 189,589,723 = 189,589,723 : x - Step 2: Convert to fraction form
87,113,574/189,589,723 = 189,589,723/x - Step 3: Cross multiply
87,113,574x = 189,589,723 × 189,589,723 - Step 4: Simplify right side
87,113,574x = 35,944,263,067,216,728 - Step 5: Solve for x
x = 35,944,263,067,216,728/87,113,574 - Step 6: Final answer
x = 412,613,803.07
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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.