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Finding the Third Proportional to 8,665 and 13,955

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Solution

The third proportional to 8,665 and 13,955 is: 22,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665 : 13,955 = 13,955 : x
  2. Step 2: Convert to fraction form
    8,665/13,955 = 13,955/x
  3. Step 3: Cross multiply
    8,665x = 13,955 × 13,955
  4. Step 4: Simplify right side
    8,665x = 194,742,025
  5. Step 5: Solve for x
    x = 194,742,025/8,665
  6. Step 6: Final answer
    x = 22,474.56

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.