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Finding the Third Proportional to 262.88 and 374.75

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Solution

The third proportional to 262.88 and 374.75 is: 534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.88 : 374.75 = 374.75 : x
  2. Step 2: Convert to fraction form
    262.88/374.75 = 374.75/x
  3. Step 3: Cross multiply
    262.88x = 374.75 × 374.75
  4. Step 4: Simplify right side
    262.88x = 140,437.56
  5. Step 5: Solve for x
    x = 140,437.56/262.88
  6. Step 6: Final answer
    x = 534.24

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.