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Finding the Third Proportional to 5,408 and 9,024

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Solution

The third proportional to 5,408 and 9,024 is: 15,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408 : 9,024 = 9,024 : x
  2. Step 2: Convert to fraction form
    5,408/9,024 = 9,024/x
  3. Step 3: Cross multiply
    5,408x = 9,024 × 9,024
  4. Step 4: Simplify right side
    5,408x = 81,432,576
  5. Step 5: Solve for x
    x = 81,432,576/5,408
  6. Step 6: Final answer
    x = 15,057.80

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.