Finding the Third Proportional to 7,920.94 and 11,073.75
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Solution
The third proportional to 7,920.94 and 11,073.75 is: 15,481.49
Step by Step Solution
- Step 1: Write the proportion equation
7,920.94 : 11,073.75 = 11,073.75 : x - Step 2: Convert to fraction form
7,920.94/11,073.75 = 11,073.75/x - Step 3: Cross multiply
7,920.94x = 11,073.75 × 11,073.75 - Step 4: Simplify right side
7,920.94x = 122,627,939.06 - Step 5: Solve for x
x = 122,627,939.06/7,920.94 - Step 6: Final answer
x = 15,481.49
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.