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Finding the Third Proportional to 184.36 and 397.41

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Solution

The third proportional to 184.36 and 397.41 is: 856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.36 : 397.41 = 397.41 : x
  2. Step 2: Convert to fraction form
    184.36/397.41 = 397.41/x
  3. Step 3: Cross multiply
    184.36x = 397.41 × 397.41
  4. Step 4: Simplify right side
    184.36x = 157,931.73
  5. Step 5: Solve for x
    x = 157,931.73/184.36
  6. Step 6: Final answer
    x = 856.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.