Finding the Third Proportional to 892 and 1,908
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Solution
The third proportional to 892 and 1,908 is: 4,081.24
Step by Step Solution
- Step 1: Write the proportion equation
892 : 1,908 = 1,908 : x - Step 2: Convert to fraction form
892/1,908 = 1,908/x - Step 3: Cross multiply
892x = 1,908 × 1,908 - Step 4: Simplify right side
892x = 3,640,464 - Step 5: Solve for x
x = 3,640,464/892 - Step 6: Final answer
x = 4,081.24
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.