Finding the Third Proportional to 6,490 and 13,868
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Solution
The third proportional to 6,490 and 13,868 is: 29,633.50
Step by Step Solution
- Step 1: Write the proportion equation
6,490 : 13,868 = 13,868 : x - Step 2: Convert to fraction form
6,490/13,868 = 13,868/x - Step 3: Cross multiply
6,490x = 13,868 × 13,868 - Step 4: Simplify right side
6,490x = 192,321,424 - Step 5: Solve for x
x = 192,321,424/6,490 - Step 6: Final answer
x = 29,633.50
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.