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Finding the Third Proportional to 20,104 and 28,577

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Solution

The third proportional to 20,104 and 28,577 is: 40,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104 : 28,577 = 28,577 : x
  2. Step 2: Convert to fraction form
    20,104/28,577 = 28,577/x
  3. Step 3: Cross multiply
    20,104x = 28,577 × 28,577
  4. Step 4: Simplify right side
    20,104x = 816,644,929
  5. Step 5: Solve for x
    x = 816,644,929/20,104
  6. Step 6: Final answer
    x = 40,621.02

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.