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Finding the Third Proportional to 4,639 and 10,001

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Solution

The third proportional to 4,639 and 10,001 is: 21,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639 : 10,001 = 10,001 : x
  2. Step 2: Convert to fraction form
    4,639/10,001 = 10,001/x
  3. Step 3: Cross multiply
    4,639x = 10,001 × 10,001
  4. Step 4: Simplify right side
    4,639x = 100,020,001
  5. Step 5: Solve for x
    x = 100,020,001/4,639
  6. Step 6: Final answer
    x = 21,560.68

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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.