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Finding the Third Proportional to 30,666 and 62,622

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Solution

The third proportional to 30,666 and 62,622 is: 127,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666 : 62,622 = 62,622 : x
  2. Step 2: Convert to fraction form
    30,666/62,622 = 62,622/x
  3. Step 3: Cross multiply
    30,666x = 62,622 × 62,622
  4. Step 4: Simplify right side
    30,666x = 3,921,514,884
  5. Step 5: Solve for x
    x = 3,921,514,884/30,666
  6. Step 6: Final answer
    x = 127,878.27

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.