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Finding the Third Proportional to 2,851 and 4,576

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Solution

The third proportional to 2,851 and 4,576 is: 7,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851 : 4,576 = 4,576 : x
  2. Step 2: Convert to fraction form
    2,851/4,576 = 4,576/x
  3. Step 3: Cross multiply
    2,851x = 4,576 × 4,576
  4. Step 4: Simplify right side
    2,851x = 20,939,776
  5. Step 5: Solve for x
    x = 20,939,776/2,851
  6. Step 6: Final answer
    x = 7,344.71

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.