Finding the Third Proportional to 81,497.25 and 171,843.75
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Solution
The third proportional to 81,497.25 and 171,843.75 is: 362,346.88
Step by Step Solution
- Step 1: Write the proportion equation
81,497.25 : 171,843.75 = 171,843.75 : x - Step 2: Convert to fraction form
81,497.25/171,843.75 = 171,843.75/x - Step 3: Cross multiply
81,497.25x = 171,843.75 × 171,843.75 - Step 4: Simplify right side
81,497.25x = 29,530,274,414.06 - Step 5: Solve for x
x = 29,530,274,414.06/81,497.25 - Step 6: Final answer
x = 362,346.88
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.