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Finding the Third Proportional to 1.92 and 5.29

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Solution

The third proportional to 1.92 and 5.29 is: 14.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.92 : 5.29 = 5.29 : x
  2. Step 2: Convert to fraction form
    1.92/5.29 = 5.29/x
  3. Step 3: Cross multiply
    1.92x = 5.29 × 5.29
  4. Step 4: Simplify right side
    1.92x = 28.00
  5. Step 5: Solve for x
    x = 28.00/1.92
  6. Step 6: Final answer
    x = 14.55

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Why These Related Problems?

These problems maintain the same ratio (2.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.