Finding the Third Proportional to 13,920 and 21,592
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Solution
The third proportional to 13,920 and 21,592 is: 33,492.42
Step by Step Solution
- Step 1: Write the proportion equation
13,920 : 21,592 = 21,592 : x - Step 2: Convert to fraction form
13,920/21,592 = 21,592/x - Step 3: Cross multiply
13,920x = 21,592 × 21,592 - Step 4: Simplify right side
13,920x = 466,214,464 - Step 5: Solve for x
x = 466,214,464/13,920 - Step 6: Final answer
x = 33,492.42
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.