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Finding the Third Proportional to 28,960 and 43,512

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Solution

The third proportional to 28,960 and 43,512 is: 65,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960 : 43,512 = 43,512 : x
  2. Step 2: Convert to fraction form
    28,960/43,512 = 43,512/x
  3. Step 3: Cross multiply
    28,960x = 43,512 × 43,512
  4. Step 4: Simplify right side
    28,960x = 1,893,294,144
  5. Step 5: Solve for x
    x = 1,893,294,144/28,960
  6. Step 6: Final answer
    x = 65,376.18

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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.