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Finding the Third Proportional to 48.94 and 102.09

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Solution

The third proportional to 48.94 and 102.09 is: 212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.94 : 102.09 = 102.09 : x
  2. Step 2: Convert to fraction form
    48.94/102.09 = 102.09/x
  3. Step 3: Cross multiply
    48.94x = 102.09 × 102.09
  4. Step 4: Simplify right side
    48.94x = 10,423.13
  5. Step 5: Solve for x
    x = 10,423.13/48.94
  6. Step 6: Final answer
    x = 212.99

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.