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Finding the Third Proportional to 184.15 and 391.08

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Solution

The third proportional to 184.15 and 391.08 is: 830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.15 : 391.08 = 391.08 : x
  2. Step 2: Convert to fraction form
    184.15/391.08 = 391.08/x
  3. Step 3: Cross multiply
    184.15x = 391.08 × 391.08
  4. Step 4: Simplify right side
    184.15x = 152,942.10
  5. Step 5: Solve for x
    x = 152,942.10/184.15
  6. Step 6: Final answer
    x = 830.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.