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Finding the Third Proportional to 113,311 and 166,668

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Solution

The third proportional to 113,311 and 166,668 is: 245,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,311 : 166,668 = 166,668 : x
  2. Step 2: Convert to fraction form
    113,311/166,668 = 166,668/x
  3. Step 3: Cross multiply
    113,311x = 166,668 × 166,668
  4. Step 4: Simplify right side
    113,311x = 27,778,222,224
  5. Step 5: Solve for x
    x = 27,778,222,224/113,311
  6. Step 6: Final answer
    x = 245,150.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.