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Finding the Third Proportional to 79,089 and 120,982.50

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Solution

The third proportional to 79,089 and 120,982.50 is: 185,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089 : 120,982.50 = 120,982.50 : x
  2. Step 2: Convert to fraction form
    79,089/120,982.50 = 120,982.50/x
  3. Step 3: Cross multiply
    79,089x = 120,982.50 × 120,982.50
  4. Step 4: Simplify right side
    79,089x = 14,636,765,306.25
  5. Step 5: Solve for x
    x = 14,636,765,306.25/79,089
  6. Step 6: Final answer
    x = 185,067.02

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.