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Finding the Third Proportional to 29,274 and 69,028

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Solution

The third proportional to 29,274 and 69,028 is: 162,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274 : 69,028 = 69,028 : x
  2. Step 2: Convert to fraction form
    29,274/69,028 = 69,028/x
  3. Step 3: Cross multiply
    29,274x = 69,028 × 69,028
  4. Step 4: Simplify right side
    29,274x = 4,764,864,784
  5. Step 5: Solve for x
    x = 4,764,864,784/29,274
  6. Step 6: Final answer
    x = 162,767.81

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.