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Finding the Third Proportional to 18,728 and 27,552

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Solution

The third proportional to 18,728 and 27,552 is: 40,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728 : 27,552 = 27,552 : x
  2. Step 2: Convert to fraction form
    18,728/27,552 = 27,552/x
  3. Step 3: Cross multiply
    18,728x = 27,552 × 27,552
  4. Step 4: Simplify right side
    18,728x = 759,112,704
  5. Step 5: Solve for x
    x = 759,112,704/18,728
  6. Step 6: Final answer
    x = 40,533.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.