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Finding the Third Proportional to 245.81 and 341.44

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Solution

The third proportional to 245.81 and 341.44 is: 474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.81 : 341.44 = 341.44 : x
  2. Step 2: Convert to fraction form
    245.81/341.44 = 341.44/x
  3. Step 3: Cross multiply
    245.81x = 341.44 × 341.44
  4. Step 4: Simplify right side
    245.81x = 116,579.57
  5. Step 5: Solve for x
    x = 116,579.57/245.81
  6. Step 6: Final answer
    x = 474.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.