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Finding the Third Proportional to 43,392.75 and 87,992.50

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Solution

The third proportional to 43,392.75 and 87,992.50 is: 178,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.75 : 87,992.50 = 87,992.50 : x
  2. Step 2: Convert to fraction form
    43,392.75/87,992.50 = 87,992.50/x
  3. Step 3: Cross multiply
    43,392.75x = 87,992.50 × 87,992.50
  4. Step 4: Simplify right side
    43,392.75x = 7,742,680,056.25
  5. Step 5: Solve for x
    x = 7,742,680,056.25/43,392.75
  6. Step 6: Final answer
    x = 178,432.57

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.