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Finding the Third Proportional to 675 and 1,076.63

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Solution

The third proportional to 675 and 1,076.63 is: 1,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    675 : 1,076.63 = 1,076.63 : x
  2. Step 2: Convert to fraction form
    675/1,076.63 = 1,076.63/x
  3. Step 3: Cross multiply
    675x = 1,076.63 × 1,076.63
  4. Step 4: Simplify right side
    675x = 1,159,121.39
  5. Step 5: Solve for x
    x = 1,159,121.39/675
  6. Step 6: Final answer
    x = 1,717.22

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.