Finding the Third Proportional to 2,938.31 and 6,286.68
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Solution
The third proportional to 2,938.31 and 6,286.68 is: 13,450.70
Step by Step Solution
- Step 1: Write the proportion equation
2,938.31 : 6,286.68 = 6,286.68 : x - Step 2: Convert to fraction form
2,938.31/6,286.68 = 6,286.68/x - Step 3: Cross multiply
2,938.31x = 6,286.68 × 6,286.68 - Step 4: Simplify right side
2,938.31x = 39,522,292.38 - Step 5: Solve for x
x = 39,522,292.38/2,938.31 - Step 6: Final answer
x = 13,450.70
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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.