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Finding the Third Proportional to 180.88 and 352.63

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Solution

The third proportional to 180.88 and 352.63 is: 687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.88 : 352.63 = 352.63 : x
  2. Step 2: Convert to fraction form
    180.88/352.63 = 352.63/x
  3. Step 3: Cross multiply
    180.88x = 352.63 × 352.63
  4. Step 4: Simplify right side
    180.88x = 124,344.39
  5. Step 5: Solve for x
    x = 124,344.39/180.88
  6. Step 6: Final answer
    x = 687.46

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.