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Finding the Third Proportional to 140.88 and 325.94

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Solution

The third proportional to 140.88 and 325.94 is: 754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.88 : 325.94 = 325.94 : x
  2. Step 2: Convert to fraction form
    140.88/325.94 = 325.94/x
  3. Step 3: Cross multiply
    140.88x = 325.94 × 325.94
  4. Step 4: Simplify right side
    140.88x = 106,235.25
  5. Step 5: Solve for x
    x = 106,235.25/140.88
  6. Step 6: Final answer
    x = 754.11

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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.