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Finding the Third Proportional to 9,247.50 and 13,851

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Solution

The third proportional to 9,247.50 and 13,851 is: 20,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.50 : 13,851 = 13,851 : x
  2. Step 2: Convert to fraction form
    9,247.50/13,851 = 13,851/x
  3. Step 3: Cross multiply
    9,247.50x = 13,851 × 13,851
  4. Step 4: Simplify right side
    9,247.50x = 191,850,201
  5. Step 5: Solve for x
    x = 191,850,201/9,247.50
  6. Step 6: Final answer
    x = 20,746.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.