Finding the Third Proportional to 6,490 and 14,119
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Solution
The third proportional to 6,490 and 14,119 is: 30,715.90
Step by Step Solution
- Step 1: Write the proportion equation
6,490 : 14,119 = 14,119 : x - Step 2: Convert to fraction form
6,490/14,119 = 14,119/x - Step 3: Cross multiply
6,490x = 14,119 × 14,119 - Step 4: Simplify right side
6,490x = 199,346,161 - Step 5: Solve for x
x = 199,346,161/6,490 - Step 6: Final answer
x = 30,715.90
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.