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Finding the Third Proportional to 474.56 and 725.44

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Solution

The third proportional to 474.56 and 725.44 is: 1,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.56 : 725.44 = 725.44 : x
  2. Step 2: Convert to fraction form
    474.56/725.44 = 725.44/x
  3. Step 3: Cross multiply
    474.56x = 725.44 × 725.44
  4. Step 4: Simplify right side
    474.56x = 526,259.57
  5. Step 5: Solve for x
    x = 526,259.57/474.56
  6. Step 6: Final answer
    x = 1,108.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.