Finding the Third Proportional to 163,920 and 333,856
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Solution
The third proportional to 163,920 and 333,856 is: 679,964.79
Step by Step Solution
- Step 1: Write the proportion equation
163,920 : 333,856 = 333,856 : x - Step 2: Convert to fraction form
163,920/333,856 = 333,856/x - Step 3: Cross multiply
163,920x = 333,856 × 333,856 - Step 4: Simplify right side
163,920x = 111,459,828,736 - Step 5: Solve for x
x = 111,459,828,736/163,920 - Step 6: Final answer
x = 679,964.79
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.