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Finding the Third Proportional to 2.06 and 2.98

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Solution

The third proportional to 2.06 and 2.98 is: 4.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.06 : 2.98 = 2.98 : x
  2. Step 2: Convert to fraction form
    2.06/2.98 = 2.98/x
  3. Step 3: Cross multiply
    2.06x = 2.98 × 2.98
  4. Step 4: Simplify right side
    2.06x = 8.91
  5. Step 5: Solve for x
    x = 8.91/2.06
  6. Step 6: Final answer
    x = 4.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.