Finding the Third Proportional to 7,728.75 and 16,827.75
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Solution
The third proportional to 7,728.75 and 16,827.75 is: 36,638.94
Step by Step Solution
- Step 1: Write the proportion equation
7,728.75 : 16,827.75 = 16,827.75 : x - Step 2: Convert to fraction form
7,728.75/16,827.75 = 16,827.75/x - Step 3: Cross multiply
7,728.75x = 16,827.75 × 16,827.75 - Step 4: Simplify right side
7,728.75x = 283,173,170.06 - Step 5: Solve for x
x = 283,173,170.06/7,728.75 - Step 6: Final answer
x = 36,638.94
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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.