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Finding the Third Proportional to 69.38 and 152.06

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Solution

The third proportional to 69.38 and 152.06 is: 333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.38 : 152.06 = 152.06 : x
  2. Step 2: Convert to fraction form
    69.38/152.06 = 152.06/x
  3. Step 3: Cross multiply
    69.38x = 152.06 × 152.06
  4. Step 4: Simplify right side
    69.38x = 23,123.00
  5. Step 5: Solve for x
    x = 23,123.00/69.38
  6. Step 6: Final answer
    x = 333.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.