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Finding the Third Proportional to 18,048 and 28,288

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Solution

The third proportional to 18,048 and 28,288 is: 44,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048 : 28,288 = 28,288 : x
  2. Step 2: Convert to fraction form
    18,048/28,288 = 28,288/x
  3. Step 3: Cross multiply
    18,048x = 28,288 × 28,288
  4. Step 4: Simplify right side
    18,048x = 800,210,944
  5. Step 5: Solve for x
    x = 800,210,944/18,048
  6. Step 6: Final answer
    x = 44,337.93

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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.