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Finding the Third Proportional to 20,004 and 28,497

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Solution

The third proportional to 20,004 and 28,497 is: 40,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004 : 28,497 = 28,497 : x
  2. Step 2: Convert to fraction form
    20,004/28,497 = 28,497/x
  3. Step 3: Cross multiply
    20,004x = 28,497 × 28,497
  4. Step 4: Simplify right side
    20,004x = 812,079,009
  5. Step 5: Solve for x
    x = 812,079,009/20,004
  6. Step 6: Final answer
    x = 40,595.83

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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.