Finding the Third Proportional to 19,824 and 28,644
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Solution
The third proportional to 19,824 and 28,644 is: 41,388.15
Step by Step Solution
- Step 1: Write the proportion equation
19,824 : 28,644 = 28,644 : x - Step 2: Convert to fraction form
19,824/28,644 = 28,644/x - Step 3: Cross multiply
19,824x = 28,644 × 28,644 - Step 4: Simplify right side
19,824x = 820,478,736 - Step 5: Solve for x
x = 820,478,736/19,824 - Step 6: Final answer
x = 41,388.15
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.