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Finding the Third Proportional to 72,357.75 and 108,992.25

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Solution

The third proportional to 72,357.75 and 108,992.25 is: 164,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,357.75 : 108,992.25 = 108,992.25 : x
  2. Step 2: Convert to fraction form
    72,357.75/108,992.25 = 108,992.25/x
  3. Step 3: Cross multiply
    72,357.75x = 108,992.25 × 108,992.25
  4. Step 4: Simplify right side
    72,357.75x = 11,879,310,560.06
  5. Step 5: Solve for x
    x = 11,879,310,560.06/72,357.75
  6. Step 6: Final answer
    x = 164,174.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.