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Finding the Third Proportional to 4.59 and 10.99

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Solution

The third proportional to 4.59 and 10.99 is: 26.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.59 : 10.99 = 10.99 : x
  2. Step 2: Convert to fraction form
    4.59/10.99 = 10.99/x
  3. Step 3: Cross multiply
    4.59x = 10.99 × 10.99
  4. Step 4: Simplify right side
    4.59x = 120.68
  5. Step 5: Solve for x
    x = 120.68/4.59
  6. Step 6: Final answer
    x = 26.29

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.