Finding the Third Proportional to 143,609.75 and 201,243.13
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Solution
The third proportional to 143,609.75 and 201,243.13 is: 282,005.89
Step by Step Solution
- Step 1: Write the proportion equation
143,609.75 : 201,243.13 = 201,243.13 : x - Step 2: Convert to fraction form
143,609.75/201,243.13 = 201,243.13/x - Step 3: Cross multiply
143,609.75x = 201,243.13 × 201,243.13 - Step 4: Simplify right side
143,609.75x = 40,498,795,359.77 - Step 5: Solve for x
x = 40,498,795,359.77/143,609.75 - Step 6: Final answer
x = 282,005.89
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.