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Finding the Third Proportional to 147.94 and 206.44

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Solution

The third proportional to 147.94 and 206.44 is: 288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.94 : 206.44 = 206.44 : x
  2. Step 2: Convert to fraction form
    147.94/206.44 = 206.44/x
  3. Step 3: Cross multiply
    147.94x = 206.44 × 206.44
  4. Step 4: Simplify right side
    147.94x = 42,616.44
  5. Step 5: Solve for x
    x = 42,616.44/147.94
  6. Step 6: Final answer
    x = 288.07

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.