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Finding the Third Proportional to 1.34 and 2.98

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Solution

The third proportional to 1.34 and 2.98 is: 6.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.34 : 2.98 = 2.98 : x
  2. Step 2: Convert to fraction form
    1.34/2.98 = 2.98/x
  3. Step 3: Cross multiply
    1.34x = 2.98 × 2.98
  4. Step 4: Simplify right side
    1.34x = 8.86
  5. Step 5: Solve for x
    x = 8.86/1.34
  6. Step 6: Final answer
    x = 6.62

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.