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Finding the Third Proportional to 28,205.75 and 61,946.38

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Solution

The third proportional to 28,205.75 and 61,946.38 is: 136,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.75 : 61,946.38 = 61,946.38 : x
  2. Step 2: Convert to fraction form
    28,205.75/61,946.38 = 61,946.38/x
  3. Step 3: Cross multiply
    28,205.75x = 61,946.38 × 61,946.38
  4. Step 4: Simplify right side
    28,205.75x = 3,837,353,375.64
  5. Step 5: Solve for x
    x = 3,837,353,375.64/28,205.75
  6. Step 6: Final answer
    x = 136,048.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.