Finding the Third Proportional to 9,918 and 13,224
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Solution
The third proportional to 9,918 and 13,224 is: 17,632
Step by Step Solution
- Step 1: Write the proportion equation
9,918 : 13,224 = 13,224 : x - Step 2: Convert to fraction form
9,918/13,224 = 13,224/x - Step 3: Cross multiply
9,918x = 13,224 × 13,224 - Step 4: Simplify right side
9,918x = 174,874,176 - Step 5: Solve for x
x = 174,874,176/9,918 - Step 6: Final answer
x = 17,632
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.