Finding the Third Proportional to 7,286 and 15,724
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Solution
The third proportional to 7,286 and 15,724 is: 33,934.14
Step by Step Solution
- Step 1: Write the proportion equation
7,286 : 15,724 = 15,724 : x - Step 2: Convert to fraction form
7,286/15,724 = 15,724/x - Step 3: Cross multiply
7,286x = 15,724 × 15,724 - Step 4: Simplify right side
7,286x = 247,244,176 - Step 5: Solve for x
x = 247,244,176/7,286 - Step 6: Final answer
x = 33,934.14
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.