Finding the Third Proportional to 1,994 and 4,030
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Solution
The third proportional to 1,994 and 4,030 is: 8,144.88
Step by Step Solution
- Step 1: Write the proportion equation
1,994 : 4,030 = 4,030 : x - Step 2: Convert to fraction form
1,994/4,030 = 4,030/x - Step 3: Cross multiply
1,994x = 4,030 × 4,030 - Step 4: Simplify right side
1,994x = 16,240,900 - Step 5: Solve for x
x = 16,240,900/1,994 - Step 6: Final answer
x = 8,144.88
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Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.