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Finding the Third Proportional to 495 and 755.44

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Solution

The third proportional to 495 and 755.44 is: 1,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495 : 755.44 = 755.44 : x
  2. Step 2: Convert to fraction form
    495/755.44 = 755.44/x
  3. Step 3: Cross multiply
    495x = 755.44 × 755.44
  4. Step 4: Simplify right side
    495x = 570,685.82
  5. Step 5: Solve for x
    x = 570,685.82/495
  6. Step 6: Final answer
    x = 1,152.90

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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.