Finding the Third Proportional to 126,853.31 and 278,816.63
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Solution
The third proportional to 126,853.31 and 278,816.63 is: 612,823.65
Step by Step Solution
- Step 1: Write the proportion equation
126,853.31 : 278,816.63 = 278,816.63 : x - Step 2: Convert to fraction form
126,853.31/278,816.63 = 278,816.63/x - Step 3: Cross multiply
126,853.31x = 278,816.63 × 278,816.63 - Step 4: Simplify right side
126,853.31x = 77,738,710,376.39 - Step 5: Solve for x
x = 77,738,710,376.39/126,853.31 - Step 6: Final answer
x = 612,823.65
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.