Finding the Third Proportional to 21,379 and 32,909
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Solution
The third proportional to 21,379 and 32,909 is: 50,657.29
Step by Step Solution
- Step 1: Write the proportion equation
21,379 : 32,909 = 32,909 : x - Step 2: Convert to fraction form
21,379/32,909 = 32,909/x - Step 3: Cross multiply
21,379x = 32,909 × 32,909 - Step 4: Simplify right side
21,379x = 1,083,002,281 - Step 5: Solve for x
x = 1,083,002,281/21,379 - Step 6: Final answer
x = 50,657.29
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.