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Finding the Third Proportional to 2.94 and 4.50

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Solution

The third proportional to 2.94 and 4.50 is: 6.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.94 : 4.50 = 4.50 : x
  2. Step 2: Convert to fraction form
    2.94/4.50 = 4.50/x
  3. Step 3: Cross multiply
    2.94x = 4.50 × 4.50
  4. Step 4: Simplify right side
    2.94x = 20.25
  5. Step 5: Solve for x
    x = 20.25/2.94
  6. Step 6: Final answer
    x = 6.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.