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Finding the Third Proportional to 9,969.75 and 14,175

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Solution

The third proportional to 9,969.75 and 14,175 is: 20,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.75 : 14,175 = 14,175 : x
  2. Step 2: Convert to fraction form
    9,969.75/14,175 = 14,175/x
  3. Step 3: Cross multiply
    9,969.75x = 14,175 × 14,175
  4. Step 4: Simplify right side
    9,969.75x = 200,930,625
  5. Step 5: Solve for x
    x = 200,930,625/9,969.75
  6. Step 6: Final answer
    x = 20,154.03

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.