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Finding the Third Proportional to 2.53 and 3.48

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Solution

The third proportional to 2.53 and 3.48 is: 4.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.53 : 3.48 = 3.48 : x
  2. Step 2: Convert to fraction form
    2.53/3.48 = 3.48/x
  3. Step 3: Cross multiply
    2.53x = 3.48 × 3.48
  4. Step 4: Simplify right side
    2.53x = 12.11
  5. Step 5: Solve for x
    x = 12.11/2.53
  6. Step 6: Final answer
    x = 4.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.