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Finding the Third Proportional to 29,894 and 65,782

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Solution

The third proportional to 29,894 and 65,782 is: 144,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,894 : 65,782 = 65,782 : x
  2. Step 2: Convert to fraction form
    29,894/65,782 = 65,782/x
  3. Step 3: Cross multiply
    29,894x = 65,782 × 65,782
  4. Step 4: Simplify right side
    29,894x = 4,327,271,524
  5. Step 5: Solve for x
    x = 4,327,271,524/29,894
  6. Step 6: Final answer
    x = 144,753.85

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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.