Finding the Third Proportional to 38,928 and 79,800
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Solution
The third proportional to 38,928 and 79,800 is: 163,585.08
Step by Step Solution
- Step 1: Write the proportion equation
38,928 : 79,800 = 79,800 : x - Step 2: Convert to fraction form
38,928/79,800 = 79,800/x - Step 3: Cross multiply
38,928x = 79,800 × 79,800 - Step 4: Simplify right side
38,928x = 6,368,040,000 - Step 5: Solve for x
x = 6,368,040,000/38,928 - Step 6: Final answer
x = 163,585.08
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.