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Finding the Third Proportional to 6,999 and 15,125

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Solution

The third proportional to 6,999 and 15,125 is: 32,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999 : 15,125 = 15,125 : x
  2. Step 2: Convert to fraction form
    6,999/15,125 = 15,125/x
  3. Step 3: Cross multiply
    6,999x = 15,125 × 15,125
  4. Step 4: Simplify right side
    6,999x = 228,765,625
  5. Step 5: Solve for x
    x = 228,765,625/6,999
  6. Step 6: Final answer
    x = 32,685.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.