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Finding the Third Proportional to 19,661 and 29,419

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Solution

The third proportional to 19,661 and 29,419 is: 44,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661 : 29,419 = 29,419 : x
  2. Step 2: Convert to fraction form
    19,661/29,419 = 29,419/x
  3. Step 3: Cross multiply
    19,661x = 29,419 × 29,419
  4. Step 4: Simplify right side
    19,661x = 865,477,561
  5. Step 5: Solve for x
    x = 865,477,561/19,661
  6. Step 6: Final answer
    x = 44,020.02

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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.