Finding the Third Proportional to 68,996.81 and 153,879.75
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Solution
The third proportional to 68,996.81 and 153,879.75 is: 343,189.44
Step by Step Solution
- Step 1: Write the proportion equation
68,996.81 : 153,879.75 = 153,879.75 : x - Step 2: Convert to fraction form
68,996.81/153,879.75 = 153,879.75/x - Step 3: Cross multiply
68,996.81x = 153,879.75 × 153,879.75 - Step 4: Simplify right side
68,996.81x = 23,678,977,460.06 - Step 5: Solve for x
x = 23,678,977,460.06/68,996.81 - Step 6: Final answer
x = 343,189.44
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.