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Finding the Third Proportional to 8,999.44 and 14,008.78

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Solution

The third proportional to 8,999.44 and 14,008.78 is: 21,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.44 : 14,008.78 = 14,008.78 : x
  2. Step 2: Convert to fraction form
    8,999.44/14,008.78 = 14,008.78/x
  3. Step 3: Cross multiply
    8,999.44x = 14,008.78 × 14,008.78
  4. Step 4: Simplify right side
    8,999.44x = 196,245,952.11
  5. Step 5: Solve for x
    x = 196,245,952.11/8,999.44
  6. Step 6: Final answer
    x = 21,806.47

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.