Finding the Third Proportional to 9,600 and 14,400
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Solution
The third proportional to 9,600 and 14,400 is: 21,600
Step by Step Solution
- Step 1: Write the proportion equation
9,600 : 14,400 = 14,400 : x - Step 2: Convert to fraction form
9,600/14,400 = 14,400/x - Step 3: Cross multiply
9,600x = 14,400 × 14,400 - Step 4: Simplify right side
9,600x = 207,360,000 - Step 5: Solve for x
x = 207,360,000/9,600 - Step 6: Final answer
x = 21,600
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.