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Finding the Third Proportional to 38,706 and 83,028

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Solution

The third proportional to 38,706 and 83,028 is: 178,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,706 : 83,028 = 83,028 : x
  2. Step 2: Convert to fraction form
    38,706/83,028 = 83,028/x
  3. Step 3: Cross multiply
    38,706x = 83,028 × 83,028
  4. Step 4: Simplify right side
    38,706x = 6,893,648,784
  5. Step 5: Solve for x
    x = 6,893,648,784/38,706
  6. Step 6: Final answer
    x = 178,102.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.