Finding the Third Proportional to 7,382 and 11,442
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Solution
The third proportional to 7,382 and 11,442 is: 17,734.95
Step by Step Solution
- Step 1: Write the proportion equation
7,382 : 11,442 = 11,442 : x - Step 2: Convert to fraction form
7,382/11,442 = 11,442/x - Step 3: Cross multiply
7,382x = 11,442 × 11,442 - Step 4: Simplify right side
7,382x = 130,919,364 - Step 5: Solve for x
x = 130,919,364/7,382 - Step 6: Final answer
x = 17,734.95
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.