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Finding the Third Proportional to 9,479 and 22,145

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Solution

The third proportional to 9,479 and 22,145 is: 51,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479 : 22,145 = 22,145 : x
  2. Step 2: Convert to fraction form
    9,479/22,145 = 22,145/x
  3. Step 3: Cross multiply
    9,479x = 22,145 × 22,145
  4. Step 4: Simplify right side
    9,479x = 490,401,025
  5. Step 5: Solve for x
    x = 490,401,025/9,479
  6. Step 6: Final answer
    x = 51,735.52

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.