Finding the Third Proportional to 2,216 and 4,192
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Solution
The third proportional to 2,216 and 4,192 is: 7,929.99
Step by Step Solution
- Step 1: Write the proportion equation
2,216 : 4,192 = 4,192 : x - Step 2: Convert to fraction form
2,216/4,192 = 4,192/x - Step 3: Cross multiply
2,216x = 4,192 × 4,192 - Step 4: Simplify right side
2,216x = 17,572,864 - Step 5: Solve for x
x = 17,572,864/2,216 - Step 6: Final answer
x = 7,929.99
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Why These Related Problems?
These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.