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Finding the Third Proportional to 2.95 and 5.48

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Solution

The third proportional to 2.95 and 5.48 is: 10.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.95 : 5.48 = 5.48 : x
  2. Step 2: Convert to fraction form
    2.95/5.48 = 5.48/x
  3. Step 3: Cross multiply
    2.95x = 5.48 × 5.48
  4. Step 4: Simplify right side
    2.95x = 30.08
  5. Step 5: Solve for x
    x = 30.08/2.95
  6. Step 6: Final answer
    x = 10.19

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.