Finding the Third Proportional to 198,639.75 and 434,415.75
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Solution
The third proportional to 198,639.75 and 434,415.75 is: 950,046.72
Step by Step Solution
- Step 1: Write the proportion equation
198,639.75 : 434,415.75 = 434,415.75 : x - Step 2: Convert to fraction form
198,639.75/434,415.75 = 434,415.75/x - Step 3: Cross multiply
198,639.75x = 434,415.75 × 434,415.75 - Step 4: Simplify right side
198,639.75x = 188,717,043,848.06 - Step 5: Solve for x
x = 188,717,043,848.06/198,639.75 - Step 6: Final answer
x = 950,046.72
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.