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Finding the Third Proportional to 4,728 and 10,202

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Solution

The third proportional to 4,728 and 10,202 is: 22,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728 : 10,202 = 10,202 : x
  2. Step 2: Convert to fraction form
    4,728/10,202 = 10,202/x
  3. Step 3: Cross multiply
    4,728x = 10,202 × 10,202
  4. Step 4: Simplify right side
    4,728x = 104,080,804
  5. Step 5: Solve for x
    x = 104,080,804/4,728
  6. Step 6: Final answer
    x = 22,013.71

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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.