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Finding the Third Proportional to 9,108 and 14,289.50

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Solution

The third proportional to 9,108 and 14,289.50 is: 22,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108 : 14,289.50 = 14,289.50 : x
  2. Step 2: Convert to fraction form
    9,108/14,289.50 = 14,289.50/x
  3. Step 3: Cross multiply
    9,108x = 14,289.50 × 14,289.50
  4. Step 4: Simplify right side
    9,108x = 204,189,810.25
  5. Step 5: Solve for x
    x = 204,189,810.25/9,108
  6. Step 6: Final answer
    x = 22,418.73

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.