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Finding the Third Proportional to 28,836 and 62,112

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Solution

The third proportional to 28,836 and 62,112 is: 133,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836 : 62,112 = 62,112 : x
  2. Step 2: Convert to fraction form
    28,836/62,112 = 62,112/x
  3. Step 3: Cross multiply
    28,836x = 62,112 × 62,112
  4. Step 4: Simplify right side
    28,836x = 3,857,900,544
  5. Step 5: Solve for x
    x = 3,857,900,544/28,836
  6. Step 6: Final answer
    x = 133,787.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.