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Finding the Third Proportional to 176.38 and 407.94

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Solution

The third proportional to 176.38 and 407.94 is: 943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.38 : 407.94 = 407.94 : x
  2. Step 2: Convert to fraction form
    176.38/407.94 = 407.94/x
  3. Step 3: Cross multiply
    176.38x = 407.94 × 407.94
  4. Step 4: Simplify right side
    176.38x = 166,413.00
  5. Step 5: Solve for x
    x = 166,413.00/176.38
  6. Step 6: Final answer
    x = 943.52

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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.