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Finding the Third Proportional to 4,977 and 9,018

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Solution

The third proportional to 4,977 and 9,018 is: 16,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977 : 9,018 = 9,018 : x
  2. Step 2: Convert to fraction form
    4,977/9,018 = 9,018/x
  3. Step 3: Cross multiply
    4,977x = 9,018 × 9,018
  4. Step 4: Simplify right side
    4,977x = 81,324,324
  5. Step 5: Solve for x
    x = 81,324,324/4,977
  6. Step 6: Final answer
    x = 16,340.03

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.