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Finding the Third Proportional to 119.81 and 264.94

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Solution

The third proportional to 119.81 and 264.94 is: 585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.81 : 264.94 = 264.94 : x
  2. Step 2: Convert to fraction form
    119.81/264.94 = 264.94/x
  3. Step 3: Cross multiply
    119.81x = 264.94 × 264.94
  4. Step 4: Simplify right side
    119.81x = 70,191.88
  5. Step 5: Solve for x
    x = 70,191.88/119.81
  6. Step 6: Final answer
    x = 585.85

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.