Finding the Third Proportional to 79,212.75 and 164,979.75
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Solution
The third proportional to 79,212.75 and 164,979.75 is: 343,610.31
Step by Step Solution
- Step 1: Write the proportion equation
79,212.75 : 164,979.75 = 164,979.75 : x - Step 2: Convert to fraction form
79,212.75/164,979.75 = 164,979.75/x - Step 3: Cross multiply
79,212.75x = 164,979.75 × 164,979.75 - Step 4: Simplify right side
79,212.75x = 27,218,317,910.06 - Step 5: Solve for x
x = 27,218,317,910.06/79,212.75 - Step 6: Final answer
x = 343,610.31
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.