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Finding the Third Proportional to 4,380 and 10,104

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Solution

The third proportional to 4,380 and 10,104 is: 23,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380 : 10,104 = 10,104 : x
  2. Step 2: Convert to fraction form
    4,380/10,104 = 10,104/x
  3. Step 3: Cross multiply
    4,380x = 10,104 × 10,104
  4. Step 4: Simplify right side
    4,380x = 102,090,816
  5. Step 5: Solve for x
    x = 102,090,816/4,380
  6. Step 6: Final answer
    x = 23,308.41

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.