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Finding the Third Proportional to 75,865 and 166,243

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Solution

The third proportional to 75,865 and 166,243 is: 364,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865 : 166,243 = 166,243 : x
  2. Step 2: Convert to fraction form
    75,865/166,243 = 166,243/x
  3. Step 3: Cross multiply
    75,865x = 166,243 × 166,243
  4. Step 4: Simplify right side
    75,865x = 27,636,735,049
  5. Step 5: Solve for x
    x = 27,636,735,049/75,865
  6. Step 6: Final answer
    x = 364,288.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.