Finding the Third Proportional to 879 and 1,914
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Solution
The third proportional to 879 and 1,914 is: 4,167.69
Step by Step Solution
- Step 1: Write the proportion equation
879 : 1,914 = 1,914 : x - Step 2: Convert to fraction form
879/1,914 = 1,914/x - Step 3: Cross multiply
879x = 1,914 × 1,914 - Step 4: Simplify right side
879x = 3,663,396 - Step 5: Solve for x
x = 3,663,396/879 - Step 6: Final answer
x = 4,167.69
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.