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Finding the Third Proportional to 4,378 and 9,883

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Solution

The third proportional to 4,378 and 9,883 is: 22,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378 : 9,883 = 9,883 : x
  2. Step 2: Convert to fraction form
    4,378/9,883 = 9,883/x
  3. Step 3: Cross multiply
    4,378x = 9,883 × 9,883
  4. Step 4: Simplify right side
    4,378x = 97,673,689
  5. Step 5: Solve for x
    x = 97,673,689/4,378
  6. Step 6: Final answer
    x = 22,310.12

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.