Finding the Third Proportional to 86,786.50 and 190,218
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Solution
The third proportional to 86,786.50 and 190,218 is: 416,918.39
Step by Step Solution
- Step 1: Write the proportion equation
86,786.50 : 190,218 = 190,218 : x - Step 2: Convert to fraction form
86,786.50/190,218 = 190,218/x - Step 3: Cross multiply
86,786.50x = 190,218 × 190,218 - Step 4: Simplify right side
86,786.50x = 36,182,887,524 - Step 5: Solve for x
x = 36,182,887,524/86,786.50 - Step 6: Final answer
x = 416,918.39
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.