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Finding the Third Proportional to 29,666 and 65,166

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Solution

The third proportional to 29,666 and 65,166 is: 143,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666 : 65,166 = 65,166 : x
  2. Step 2: Convert to fraction form
    29,666/65,166 = 65,166/x
  3. Step 3: Cross multiply
    29,666x = 65,166 × 65,166
  4. Step 4: Simplify right side
    29,666x = 4,246,607,556
  5. Step 5: Solve for x
    x = 4,246,607,556/29,666
  6. Step 6: Final answer
    x = 143,147.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.