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Finding the Third Proportional to 4,538 and 9,673

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Solution

The third proportional to 4,538 and 9,673 is: 20,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538 : 9,673 = 9,673 : x
  2. Step 2: Convert to fraction form
    4,538/9,673 = 9,673/x
  3. Step 3: Cross multiply
    4,538x = 9,673 × 9,673
  4. Step 4: Simplify right side
    4,538x = 93,566,929
  5. Step 5: Solve for x
    x = 93,566,929/4,538
  6. Step 6: Final answer
    x = 20,618.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.