Finding the Third Proportional to 75,147.75 and 115,485.75
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Solution
The third proportional to 75,147.75 and 115,485.75 is: 177,476.48
Step by Step Solution
- Step 1: Write the proportion equation
75,147.75 : 115,485.75 = 115,485.75 : x - Step 2: Convert to fraction form
75,147.75/115,485.75 = 115,485.75/x - Step 3: Cross multiply
75,147.75x = 115,485.75 × 115,485.75 - Step 4: Simplify right side
75,147.75x = 13,336,958,453.06 - Step 5: Solve for x
x = 13,336,958,453.06/75,147.75 - Step 6: Final answer
x = 177,476.48
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.