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Finding the Third Proportional to 4,739 and 10,225

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Solution

The third proportional to 4,739 and 10,225 is: 22,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739 : 10,225 = 10,225 : x
  2. Step 2: Convert to fraction form
    4,739/10,225 = 10,225/x
  3. Step 3: Cross multiply
    4,739x = 10,225 × 10,225
  4. Step 4: Simplify right side
    4,739x = 104,550,625
  5. Step 5: Solve for x
    x = 104,550,625/4,739
  6. Step 6: Final answer
    x = 22,061.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.