Finding the Third Proportional to 211,115.25 and 311,091.75
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Solution
The third proportional to 211,115.25 and 311,091.75 is: 458,413.48
Step by Step Solution
- Step 1: Write the proportion equation
211,115.25 : 311,091.75 = 311,091.75 : x - Step 2: Convert to fraction form
211,115.25/311,091.75 = 311,091.75/x - Step 3: Cross multiply
211,115.25x = 311,091.75 × 311,091.75 - Step 4: Simplify right side
211,115.25x = 96,778,076,918.06 - Step 5: Solve for x
x = 96,778,076,918.06/211,115.25 - Step 6: Final answer
x = 458,413.48
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.