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Finding the Third Proportional to 76,619.25 and 118,914.75

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Solution

The third proportional to 76,619.25 and 118,914.75 is: 184,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619.25 : 118,914.75 = 118,914.75 : x
  2. Step 2: Convert to fraction form
    76,619.25/118,914.75 = 118,914.75/x
  3. Step 3: Cross multiply
    76,619.25x = 118,914.75 × 118,914.75
  4. Step 4: Simplify right side
    76,619.25x = 14,140,717,767.56
  5. Step 5: Solve for x
    x = 14,140,717,767.56/76,619.25
  6. Step 6: Final answer
    x = 184,558.29

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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.