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Finding the Third Proportional to 2.46 and 3.56

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Solution

The third proportional to 2.46 and 3.56 is: 5.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.46 : 3.56 = 3.56 : x
  2. Step 2: Convert to fraction form
    2.46/3.56 = 3.56/x
  3. Step 3: Cross multiply
    2.46x = 3.56 × 3.56
  4. Step 4: Simplify right side
    2.46x = 12.69
  5. Step 5: Solve for x
    x = 12.69/2.46
  6. Step 6: Final answer
    x = 5.15

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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.