Finding the Third Proportional to 20,280 and 30,696
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Solution
The third proportional to 20,280 and 30,696 is: 46,461.76
Step by Step Solution
- Step 1: Write the proportion equation
20,280 : 30,696 = 30,696 : x - Step 2: Convert to fraction form
20,280/30,696 = 30,696/x - Step 3: Cross multiply
20,280x = 30,696 × 30,696 - Step 4: Simplify right side
20,280x = 942,244,416 - Step 5: Solve for x
x = 942,244,416/20,280 - Step 6: Final answer
x = 46,461.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.