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Finding the Third Proportional to 8,621.44 and 14,205.38

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Solution

The third proportional to 8,621.44 and 14,205.38 is: 23,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.44 : 14,205.38 = 14,205.38 : x
  2. Step 2: Convert to fraction form
    8,621.44/14,205.38 = 14,205.38/x
  3. Step 3: Cross multiply
    8,621.44x = 14,205.38 × 14,205.38
  4. Step 4: Simplify right side
    8,621.44x = 201,792,678.89
  5. Step 5: Solve for x
    x = 201,792,678.89/8,621.44
  6. Step 6: Final answer
    x = 23,405.92

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.