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Finding the Third Proportional to 28,728 and 44,368

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Solution

The third proportional to 28,728 and 44,368 is: 68,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728 : 44,368 = 44,368 : x
  2. Step 2: Convert to fraction form
    28,728/44,368 = 44,368/x
  3. Step 3: Cross multiply
    28,728x = 44,368 × 44,368
  4. Step 4: Simplify right side
    28,728x = 1,968,519,424
  5. Step 5: Solve for x
    x = 1,968,519,424/28,728
  6. Step 6: Final answer
    x = 68,522.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.