Finding the Third Proportional to 457,770 and 996,878
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Solution
The third proportional to 457,770 and 996,878 is: 2,170,884.39
Step by Step Solution
- Step 1: Write the proportion equation
457,770 : 996,878 = 996,878 : x - Step 2: Convert to fraction form
457,770/996,878 = 996,878/x - Step 3: Cross multiply
457,770x = 996,878 × 996,878 - Step 4: Simplify right side
457,770x = 993,765,746,884 - Step 5: Solve for x
x = 993,765,746,884/457,770 - Step 6: Final answer
x = 2,170,884.39
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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.