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Finding the Third Proportional to 77,028 and 166,692

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Solution

The third proportional to 77,028 and 166,692 is: 360,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,028 : 166,692 = 166,692 : x
  2. Step 2: Convert to fraction form
    77,028/166,692 = 166,692/x
  3. Step 3: Cross multiply
    77,028x = 166,692 × 166,692
  4. Step 4: Simplify right side
    77,028x = 27,786,222,864
  5. Step 5: Solve for x
    x = 27,786,222,864/77,028
  6. Step 6: Final answer
    x = 360,728.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.