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Finding the Third Proportional to 4,722 and 10,407

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Solution

The third proportional to 4,722 and 10,407 is: 22,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722 : 10,407 = 10,407 : x
  2. Step 2: Convert to fraction form
    4,722/10,407 = 10,407/x
  3. Step 3: Cross multiply
    4,722x = 10,407 × 10,407
  4. Step 4: Simplify right side
    4,722x = 108,305,649
  5. Step 5: Solve for x
    x = 108,305,649/4,722
  6. Step 6: Final answer
    x = 22,936.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.