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Finding the Third Proportional to 5,021 and 10,330

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Solution

The third proportional to 5,021 and 10,330 is: 21,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021 : 10,330 = 10,330 : x
  2. Step 2: Convert to fraction form
    5,021/10,330 = 10,330/x
  3. Step 3: Cross multiply
    5,021x = 10,330 × 10,330
  4. Step 4: Simplify right side
    5,021x = 106,708,900
  5. Step 5: Solve for x
    x = 106,708,900/5,021
  6. Step 6: Final answer
    x = 21,252.52

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.