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Finding the Third Proportional to 4.00 and 5.34

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Solution

The third proportional to 4.00 and 5.34 is: 7.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.00 : 5.34 = 5.34 : x
  2. Step 2: Convert to fraction form
    4.00/5.34 = 5.34/x
  3. Step 3: Cross multiply
    4.00x = 5.34 × 5.34
  4. Step 4: Simplify right side
    4.00x = 28.51
  5. Step 5: Solve for x
    x = 28.51/4.00
  6. Step 6: Final answer
    x = 7.12

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.