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Finding the Third Proportional to 18,765 and 28,224

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Solution

The third proportional to 18,765 and 28,224 is: 42,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765 : 28,224 = 28,224 : x
  2. Step 2: Convert to fraction form
    18,765/28,224 = 28,224/x
  3. Step 3: Cross multiply
    18,765x = 28,224 × 28,224
  4. Step 4: Simplify right side
    18,765x = 796,594,176
  5. Step 5: Solve for x
    x = 796,594,176/18,765
  6. Step 6: Final answer
    x = 42,451.06

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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.