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Finding the Third Proportional to 252.25 and 374.63

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Solution

The third proportional to 252.25 and 374.63 is: 556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.25 : 374.63 = 374.63 : x
  2. Step 2: Convert to fraction form
    252.25/374.63 = 374.63/x
  3. Step 3: Cross multiply
    252.25x = 374.63 × 374.63
  4. Step 4: Simplify right side
    252.25x = 140,343.89
  5. Step 5: Solve for x
    x = 140,343.89/252.25
  6. Step 6: Final answer
    x = 556.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.