Finding the Third Proportional to 322,149 and 685,770
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Solution
The third proportional to 322,149 and 685,770 is: 1,459,822.92
Step by Step Solution
- Step 1: Write the proportion equation
322,149 : 685,770 = 685,770 : x - Step 2: Convert to fraction form
322,149/685,770 = 685,770/x - Step 3: Cross multiply
322,149x = 685,770 × 685,770 - Step 4: Simplify right side
322,149x = 470,280,492,900 - Step 5: Solve for x
x = 470,280,492,900/322,149 - Step 6: Final answer
x = 1,459,822.92
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.