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Finding the Third Proportional to 4,418 and 5,018

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Solution

The third proportional to 4,418 and 5,018 is: 5,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418 : 5,018 = 5,018 : x
  2. Step 2: Convert to fraction form
    4,418/5,018 = 5,018/x
  3. Step 3: Cross multiply
    4,418x = 5,018 × 5,018
  4. Step 4: Simplify right side
    4,418x = 25,180,324
  5. Step 5: Solve for x
    x = 25,180,324/4,418
  6. Step 6: Final answer
    x = 5,699.48

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.