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Finding the Third Proportional to 4.56 and 4.75

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Solution

The third proportional to 4.56 and 4.75 is: 4.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.56 : 4.75 = 4.75 : x
  2. Step 2: Convert to fraction form
    4.56/4.75 = 4.75/x
  3. Step 3: Cross multiply
    4.56x = 4.75 × 4.75
  4. Step 4: Simplify right side
    4.56x = 22.56
  5. Step 5: Solve for x
    x = 22.56/4.56
  6. Step 6: Final answer
    x = 4.95

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Why These Related Problems?

These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.