Finding the Third Proportional to 9,969 and 20,970
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Solution
The third proportional to 9,969 and 20,970 is: 44,110.83
Step by Step Solution
- Step 1: Write the proportion equation
9,969 : 20,970 = 20,970 : x - Step 2: Convert to fraction form
9,969/20,970 = 20,970/x - Step 3: Cross multiply
9,969x = 20,970 × 20,970 - Step 4: Simplify right side
9,969x = 439,740,900 - Step 5: Solve for x
x = 439,740,900/9,969 - Step 6: Final answer
x = 44,110.83
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.