Finding the Third Proportional to 7,899.75 and 18,456.75
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Solution
The third proportional to 7,899.75 and 18,456.75 is: 43,121.82
Step by Step Solution
- Step 1: Write the proportion equation
7,899.75 : 18,456.75 = 18,456.75 : x - Step 2: Convert to fraction form
7,899.75/18,456.75 = 18,456.75/x - Step 3: Cross multiply
7,899.75x = 18,456.75 × 18,456.75 - Step 4: Simplify right side
7,899.75x = 340,651,620.56 - Step 5: Solve for x
x = 340,651,620.56/7,899.75 - Step 6: Final answer
x = 43,121.82
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.