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Finding the Third Proportional to 3.34 and 4.80

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Solution

The third proportional to 3.34 and 4.80 is: 6.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.34 : 4.80 = 4.80 : x
  2. Step 2: Convert to fraction form
    3.34/4.80 = 4.80/x
  3. Step 3: Cross multiply
    3.34x = 4.80 × 4.80
  4. Step 4: Simplify right side
    3.34x = 23.00
  5. Step 5: Solve for x
    x = 23.00/3.34
  6. Step 6: Final answer
    x = 6.89

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.