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Finding the Third Proportional to 0.68 and 1.48

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Solution

The third proportional to 0.68 and 1.48 is: 3.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.68 : 1.48 = 1.48 : x
  2. Step 2: Convert to fraction form
    0.68/1.48 = 1.48/x
  3. Step 3: Cross multiply
    0.68x = 1.48 × 1.48
  4. Step 4: Simplify right side
    0.68x = 2.20
  5. Step 5: Solve for x
    x = 2.20/0.68
  6. Step 6: Final answer
    x = 3.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.