Finding the Third Proportional to 111,911.63 and 177,207.75
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Solution
The third proportional to 111,911.63 and 177,207.75 is: 280,601.65
Step by Step Solution
- Step 1: Write the proportion equation
111,911.63 : 177,207.75 = 177,207.75 : x - Step 2: Convert to fraction form
111,911.63/177,207.75 = 177,207.75/x - Step 3: Cross multiply
111,911.63x = 177,207.75 × 177,207.75 - Step 4: Simplify right side
111,911.63x = 31,402,586,660.06 - Step 5: Solve for x
x = 31,402,586,660.06/111,911.63 - Step 6: Final answer
x = 280,601.65
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.