Finding the Third Proportional to 771,331 and 1,661,193
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Solution
The third proportional to 771,331 and 1,661,193 is: 3,577,662.75
Step by Step Solution
- Step 1: Write the proportion equation
771,331 : 1,661,193 = 1,661,193 : x - Step 2: Convert to fraction form
771,331/1,661,193 = 1,661,193/x - Step 3: Cross multiply
771,331x = 1,661,193 × 1,661,193 - Step 4: Simplify right side
771,331x = 2,759,562,183,249 - Step 5: Solve for x
x = 2,759,562,183,249/771,331 - Step 6: Final answer
x = 3,577,662.75
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.