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Finding the Third Proportional to 7,652 and 18,378

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Solution

The third proportional to 7,652 and 18,378 is: 44,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652 : 18,378 = 18,378 : x
  2. Step 2: Convert to fraction form
    7,652/18,378 = 18,378/x
  3. Step 3: Cross multiply
    7,652x = 18,378 × 18,378
  4. Step 4: Simplify right side
    7,652x = 337,750,884
  5. Step 5: Solve for x
    x = 337,750,884/7,652
  6. Step 6: Final answer
    x = 44,138.90

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.