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Finding the Third Proportional to 19,998 and 30,969

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Solution

The third proportional to 19,998 and 30,969 is: 47,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998 : 30,969 = 30,969 : x
  2. Step 2: Convert to fraction form
    19,998/30,969 = 30,969/x
  3. Step 3: Cross multiply
    19,998x = 30,969 × 30,969
  4. Step 4: Simplify right side
    19,998x = 959,078,961
  5. Step 5: Solve for x
    x = 959,078,961/19,998
  6. Step 6: Final answer
    x = 47,958.74

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