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Finding the Third Proportional to 1,170.56 and 1,250.44

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Solution

The third proportional to 1,170.56 and 1,250.44 is: 1,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.56 : 1,250.44 = 1,250.44 : x
  2. Step 2: Convert to fraction form
    1,170.56/1,250.44 = 1,250.44/x
  3. Step 3: Cross multiply
    1,170.56x = 1,250.44 × 1,250.44
  4. Step 4: Simplify right side
    1,170.56x = 1,563,593.94
  5. Step 5: Solve for x
    x = 1,563,593.94/1,170.56
  6. Step 6: Final answer
    x = 1,335.76

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.