Finding the Third Proportional to 7,214 and 11,146
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Solution
The third proportional to 7,214 and 11,146 is: 17,221.14
Step by Step Solution
- Step 1: Write the proportion equation
7,214 : 11,146 = 11,146 : x - Step 2: Convert to fraction form
7,214/11,146 = 11,146/x - Step 3: Cross multiply
7,214x = 11,146 × 11,146 - Step 4: Simplify right side
7,214x = 124,233,316 - Step 5: Solve for x
x = 124,233,316/7,214 - Step 6: Final answer
x = 17,221.14
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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.