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Finding the Third Proportional to 2.95 and 4.40

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Solution

The third proportional to 2.95 and 4.40 is: 6.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.95 : 4.40 = 4.40 : x
  2. Step 2: Convert to fraction form
    2.95/4.40 = 4.40/x
  3. Step 3: Cross multiply
    2.95x = 4.40 × 4.40
  4. Step 4: Simplify right side
    2.95x = 19.35
  5. Step 5: Solve for x
    x = 19.35/2.95
  6. Step 6: Final answer
    x = 6.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.