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Finding the Third Proportional to 3,105 and 4,666

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Solution

The third proportional to 3,105 and 4,666 is: 7,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105 : 4,666 = 4,666 : x
  2. Step 2: Convert to fraction form
    3,105/4,666 = 4,666/x
  3. Step 3: Cross multiply
    3,105x = 4,666 × 4,666
  4. Step 4: Simplify right side
    3,105x = 21,771,556
  5. Step 5: Solve for x
    x = 21,771,556/3,105
  6. Step 6: Final answer
    x = 7,011.77

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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.