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Finding the Third Proportional to 4,408.50 and 9,271.50

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Solution

The third proportional to 4,408.50 and 9,271.50 is: 19,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.50 : 9,271.50 = 9,271.50 : x
  2. Step 2: Convert to fraction form
    4,408.50/9,271.50 = 9,271.50/x
  3. Step 3: Cross multiply
    4,408.50x = 9,271.50 × 9,271.50
  4. Step 4: Simplify right side
    4,408.50x = 85,960,712.25
  5. Step 5: Solve for x
    x = 85,960,712.25/4,408.50
  6. Step 6: Final answer
    x = 19,498.86

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.