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Finding the Third Proportional to 8,997 and 13,999.50

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Solution

The third proportional to 8,997 and 13,999.50 is: 21,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997 : 13,999.50 = 13,999.50 : x
  2. Step 2: Convert to fraction form
    8,997/13,999.50 = 13,999.50/x
  3. Step 3: Cross multiply
    8,997x = 13,999.50 × 13,999.50
  4. Step 4: Simplify right side
    8,997x = 195,986,000.25
  5. Step 5: Solve for x
    x = 195,986,000.25/8,997
  6. Step 6: Final answer
    x = 21,783.48

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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.