Finding the Third Proportional to 75,615.75 and 165,081.75
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Solution
The third proportional to 75,615.75 and 165,081.75 is: 360,400.90
Step by Step Solution
- Step 1: Write the proportion equation
75,615.75 : 165,081.75 = 165,081.75 : x - Step 2: Convert to fraction form
75,615.75/165,081.75 = 165,081.75/x - Step 3: Cross multiply
75,615.75x = 165,081.75 × 165,081.75 - Step 4: Simplify right side
75,615.75x = 27,251,984,183.06 - Step 5: Solve for x
x = 27,251,984,183.06/75,615.75 - Step 6: Final answer
x = 360,400.90
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.