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Finding the Third Proportional to 179,288.44 and 391,176.84

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Solution

The third proportional to 179,288.44 and 391,176.84 is: 853,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,288.44 : 391,176.84 = 391,176.84 : x
  2. Step 2: Convert to fraction form
    179,288.44/391,176.84 = 391,176.84/x
  3. Step 3: Cross multiply
    179,288.44x = 391,176.84 × 391,176.84
  4. Step 4: Simplify right side
    179,288.44x = 153,019,323,086.21
  5. Step 5: Solve for x
    x = 153,019,323,086.21/179,288.44
  6. Step 6: Final answer
    x = 853,481.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.