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Finding the Third Proportional to 9,471.75 and 14,207.63

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Solution

The third proportional to 9,471.75 and 14,207.63 is: 21,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.75 : 14,207.63 = 14,207.63 : x
  2. Step 2: Convert to fraction form
    9,471.75/14,207.63 = 14,207.63/x
  3. Step 3: Cross multiply
    9,471.75x = 14,207.63 × 14,207.63
  4. Step 4: Simplify right side
    9,471.75x = 201,856,608.14
  5. Step 5: Solve for x
    x = 201,856,608.14/9,471.75
  6. Step 6: Final answer
    x = 21,311.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.