Finding the Third Proportional to 126,855.13 and 278,819.75
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Solution
The third proportional to 126,855.13 and 278,819.75 is: 612,828.63
Step by Step Solution
- Step 1: Write the proportion equation
126,855.13 : 278,819.75 = 278,819.75 : x - Step 2: Convert to fraction form
126,855.13/278,819.75 = 278,819.75/x - Step 3: Cross multiply
126,855.13x = 278,819.75 × 278,819.75 - Step 4: Simplify right side
126,855.13x = 77,740,452,990.06 - Step 5: Solve for x
x = 77,740,452,990.06/126,855.13 - Step 6: Final answer
x = 612,828.63
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.