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Finding the Third Proportional to 13,242 and 18,823.50

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Solution

The third proportional to 13,242 and 18,823.50 is: 26,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242 : 18,823.50 = 18,823.50 : x
  2. Step 2: Convert to fraction form
    13,242/18,823.50 = 18,823.50/x
  3. Step 3: Cross multiply
    13,242x = 18,823.50 × 18,823.50
  4. Step 4: Simplify right side
    13,242x = 354,324,152.25
  5. Step 5: Solve for x
    x = 354,324,152.25/13,242
  6. Step 6: Final answer
    x = 26,757.60

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.