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Finding the Third Proportional to 8,919 and 11,566.50

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Solution

The third proportional to 8,919 and 11,566.50 is: 14,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919 : 11,566.50 = 11,566.50 : x
  2. Step 2: Convert to fraction form
    8,919/11,566.50 = 11,566.50/x
  3. Step 3: Cross multiply
    8,919x = 11,566.50 × 11,566.50
  4. Step 4: Simplify right side
    8,919x = 133,783,922.25
  5. Step 5: Solve for x
    x = 133,783,922.25/8,919
  6. Step 6: Final answer
    x = 14,999.88

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.