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Finding the Third Proportional to 3,392 and 4,576

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Solution

The third proportional to 3,392 and 4,576 is: 6,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392 : 4,576 = 4,576 : x
  2. Step 2: Convert to fraction form
    3,392/4,576 = 4,576/x
  3. Step 3: Cross multiply
    3,392x = 4,576 × 4,576
  4. Step 4: Simplify right side
    3,392x = 20,939,776
  5. Step 5: Solve for x
    x = 20,939,776/3,392
  6. Step 6: Final answer
    x = 6,173.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.