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Finding the Third Proportional to 389.44 and 600.56

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Solution

The third proportional to 389.44 and 600.56 is: 926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389.44 : 600.56 = 600.56 : x
  2. Step 2: Convert to fraction form
    389.44/600.56 = 600.56/x
  3. Step 3: Cross multiply
    389.44x = 600.56 × 600.56
  4. Step 4: Simplify right side
    389.44x = 360,675.32
  5. Step 5: Solve for x
    x = 360,675.32/389.44
  6. Step 6: Final answer
    x = 926.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.