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Finding the Third Proportional to 2.95 and 5.46

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Solution

The third proportional to 2.95 and 5.46 is: 10.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.95 : 5.46 = 5.46 : x
  2. Step 2: Convert to fraction form
    2.95/5.46 = 5.46/x
  3. Step 3: Cross multiply
    2.95x = 5.46 × 5.46
  4. Step 4: Simplify right side
    2.95x = 29.82
  5. Step 5: Solve for x
    x = 29.82/2.95
  6. Step 6: Final answer
    x = 10.10

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.