Finding the Third Proportional to 7,440 and 16,176
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Solution
The third proportional to 7,440 and 16,176 is: 35,169.75
Step by Step Solution
- Step 1: Write the proportion equation
7,440 : 16,176 = 16,176 : x - Step 2: Convert to fraction form
7,440/16,176 = 16,176/x - Step 3: Cross multiply
7,440x = 16,176 × 16,176 - Step 4: Simplify right side
7,440x = 261,662,976 - Step 5: Solve for x
x = 261,662,976/7,440 - Step 6: Final answer
x = 35,169.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.