Finding the Third Proportional to 3,974.63 and 9,239.63
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Solution
The third proportional to 3,974.63 and 9,239.63 is: 21,478.92
Step by Step Solution
- Step 1: Write the proportion equation
3,974.63 : 9,239.63 = 9,239.63 : x - Step 2: Convert to fraction form
3,974.63/9,239.63 = 9,239.63/x - Step 3: Cross multiply
3,974.63x = 9,239.63 × 9,239.63 - Step 4: Simplify right side
3,974.63x = 85,370,670.14 - Step 5: Solve for x
x = 85,370,670.14/3,974.63 - Step 6: Final answer
x = 21,478.92
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.