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Finding the Third Proportional to 13,354 and 20,483

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Solution

The third proportional to 13,354 and 20,483 is: 31,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354 : 20,483 = 20,483 : x
  2. Step 2: Convert to fraction form
    13,354/20,483 = 20,483/x
  3. Step 3: Cross multiply
    13,354x = 20,483 × 20,483
  4. Step 4: Simplify right side
    13,354x = 419,553,289
  5. Step 5: Solve for x
    x = 419,553,289/13,354
  6. Step 6: Final answer
    x = 31,417.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.