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Finding the Third Proportional to 18,069 and 26,947.50

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Solution

The third proportional to 18,069 and 26,947.50 is: 40,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069 : 26,947.50 = 26,947.50 : x
  2. Step 2: Convert to fraction form
    18,069/26,947.50 = 26,947.50/x
  3. Step 3: Cross multiply
    18,069x = 26,947.50 × 26,947.50
  4. Step 4: Simplify right side
    18,069x = 726,167,756.25
  5. Step 5: Solve for x
    x = 726,167,756.25/18,069
  6. Step 6: Final answer
    x = 40,188.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.