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Finding the Third Proportional to 69,200 and 107,028

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Solution

The third proportional to 69,200 and 107,028 is: 165,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200 : 107,028 = 107,028 : x
  2. Step 2: Convert to fraction form
    69,200/107,028 = 107,028/x
  3. Step 3: Cross multiply
    69,200x = 107,028 × 107,028
  4. Step 4: Simplify right side
    69,200x = 11,454,992,784
  5. Step 5: Solve for x
    x = 11,454,992,784/69,200
  6. Step 6: Final answer
    x = 165,534.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.