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Finding the Third Proportional to 76 and 175.94

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Solution

The third proportional to 76 and 175.94 is: 407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76 : 175.94 = 175.94 : x
  2. Step 2: Convert to fraction form
    76/175.94 = 175.94/x
  3. Step 3: Cross multiply
    76x = 175.94 × 175.94
  4. Step 4: Simplify right side
    76x = 30,954.00
  5. Step 5: Solve for x
    x = 30,954.00/76
  6. Step 6: Final answer
    x = 407.29

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.