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Finding the Third Proportional to 104.81 and 162.94

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Solution

The third proportional to 104.81 and 162.94 is: 253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.81 : 162.94 = 162.94 : x
  2. Step 2: Convert to fraction form
    104.81/162.94 = 162.94/x
  3. Step 3: Cross multiply
    104.81x = 162.94 × 162.94
  4. Step 4: Simplify right side
    104.81x = 26,548.63
  5. Step 5: Solve for x
    x = 26,548.63/104.81
  6. Step 6: Final answer
    x = 253.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.