Finding the Third Proportional to 11,928.75 and 15,135.75
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Solution
The third proportional to 11,928.75 and 15,135.75 is: 19,204.94
Step by Step Solution
- Step 1: Write the proportion equation
11,928.75 : 15,135.75 = 15,135.75 : x - Step 2: Convert to fraction form
11,928.75/15,135.75 = 15,135.75/x - Step 3: Cross multiply
11,928.75x = 15,135.75 × 15,135.75 - Step 4: Simplify right side
11,928.75x = 229,090,928.06 - Step 5: Solve for x
x = 229,090,928.06/11,928.75 - Step 6: Final answer
x = 19,204.94
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.