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Finding the Third Proportional to 18,632 and 28,028

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Solution

The third proportional to 18,632 and 28,028 is: 42,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632 : 28,028 = 28,028 : x
  2. Step 2: Convert to fraction form
    18,632/28,028 = 28,028/x
  3. Step 3: Cross multiply
    18,632x = 28,028 × 28,028
  4. Step 4: Simplify right side
    18,632x = 785,568,784
  5. Step 5: Solve for x
    x = 785,568,784/18,632
  6. Step 6: Final answer
    x = 42,162.34

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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.