Finding the Third Proportional to 68,509.13 and 107,620.31
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Solution
The third proportional to 68,509.13 and 107,620.31 is: 169,059.69
Step by Step Solution
- Step 1: Write the proportion equation
68,509.13 : 107,620.31 = 107,620.31 : x - Step 2: Convert to fraction form
68,509.13/107,620.31 = 107,620.31/x - Step 3: Cross multiply
68,509.13x = 107,620.31 × 107,620.31 - Step 4: Simplify right side
68,509.13x = 11,582,131,662.60 - Step 5: Solve for x
x = 11,582,131,662.60/68,509.13 - Step 6: Final answer
x = 169,059.69
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.