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Finding the Third Proportional to 176.13 and 407.25

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Solution

The third proportional to 176.13 and 407.25 is: 941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.13 : 407.25 = 407.25 : x
  2. Step 2: Convert to fraction form
    176.13/407.25 = 407.25/x
  3. Step 3: Cross multiply
    176.13x = 407.25 × 407.25
  4. Step 4: Simplify right side
    176.13x = 165,852.56
  5. Step 5: Solve for x
    x = 165,852.56/176.13
  6. Step 6: Final answer
    x = 941.68

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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.