Finding the Third Proportional to 87,729.75 and 125,457.75
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Solution
The third proportional to 87,729.75 and 125,457.75 is: 179,410.60
Step by Step Solution
- Step 1: Write the proportion equation
87,729.75 : 125,457.75 = 125,457.75 : x - Step 2: Convert to fraction form
87,729.75/125,457.75 = 125,457.75/x - Step 3: Cross multiply
87,729.75x = 125,457.75 × 125,457.75 - Step 4: Simplify right side
87,729.75x = 15,739,647,035.06 - Step 5: Solve for x
x = 15,739,647,035.06/87,729.75 - Step 6: Final answer
x = 179,410.60
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.