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Finding the Third Proportional to 28,815.75 and 43,815.94

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Solution

The third proportional to 28,815.75 and 43,815.94 is: 66,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.75 : 43,815.94 = 43,815.94 : x
  2. Step 2: Convert to fraction form
    28,815.75/43,815.94 = 43,815.94/x
  3. Step 3: Cross multiply
    28,815.75x = 43,815.94 × 43,815.94
  4. Step 4: Simplify right side
    28,815.75x = 1,919,836,379.00
  5. Step 5: Solve for x
    x = 1,919,836,379.00/28,815.75
  6. Step 6: Final answer
    x = 66,624.55

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.