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Finding the Third Proportional to 76,664.25 and 165,045.75

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Solution

The third proportional to 76,664.25 and 165,045.75 is: 355,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664.25 : 165,045.75 = 165,045.75 : x
  2. Step 2: Convert to fraction form
    76,664.25/165,045.75 = 165,045.75/x
  3. Step 3: Cross multiply
    76,664.25x = 165,045.75 × 165,045.75
  4. Step 4: Simplify right side
    76,664.25x = 27,240,099,593.06
  5. Step 5: Solve for x
    x = 27,240,099,593.06/76,664.25
  6. Step 6: Final answer
    x = 355,316.85

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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.