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Finding the Third Proportional to 43,380 and 71,793

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Solution

The third proportional to 43,380 and 71,793 is: 118,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380 : 71,793 = 71,793 : x
  2. Step 2: Convert to fraction form
    43,380/71,793 = 71,793/x
  3. Step 3: Cross multiply
    43,380x = 71,793 × 71,793
  4. Step 4: Simplify right side
    43,380x = 5,154,234,849
  5. Step 5: Solve for x
    x = 5,154,234,849/43,380
  6. Step 6: Final answer
    x = 118,815.93

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.