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Finding the Third Proportional to 18,998 and 29,493

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Solution

The third proportional to 18,998 and 29,493 is: 45,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998 : 29,493 = 29,493 : x
  2. Step 2: Convert to fraction form
    18,998/29,493 = 29,493/x
  3. Step 3: Cross multiply
    18,998x = 29,493 × 29,493
  4. Step 4: Simplify right side
    18,998x = 869,837,049
  5. Step 5: Solve for x
    x = 869,837,049/18,998
  6. Step 6: Final answer
    x = 45,785.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.