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Finding the Third Proportional to 176.63 and 356.63

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Solution

The third proportional to 176.63 and 356.63 is: 720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.63 : 356.63 = 356.63 : x
  2. Step 2: Convert to fraction form
    176.63/356.63 = 356.63/x
  3. Step 3: Cross multiply
    176.63x = 356.63 × 356.63
  4. Step 4: Simplify right side
    176.63x = 127,181.39
  5. Step 5: Solve for x
    x = 127,181.39/176.63
  6. Step 6: Final answer
    x = 720.06

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.