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Finding the Third Proportional to 1.49 and 3.26

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Solution

The third proportional to 1.49 and 3.26 is: 7.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.49 : 3.26 = 3.26 : x
  2. Step 2: Convert to fraction form
    1.49/3.26 = 3.26/x
  3. Step 3: Cross multiply
    1.49x = 3.26 × 3.26
  4. Step 4: Simplify right side
    1.49x = 10.64
  5. Step 5: Solve for x
    x = 10.64/1.49
  6. Step 6: Final answer
    x = 7.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.