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Finding the Third Proportional to 1.54 and 2.62

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Solution

The third proportional to 1.54 and 2.62 is: 4.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.54 : 2.62 = 2.62 : x
  2. Step 2: Convert to fraction form
    1.54/2.62 = 2.62/x
  3. Step 3: Cross multiply
    1.54x = 2.62 × 2.62
  4. Step 4: Simplify right side
    1.54x = 6.88
  5. Step 5: Solve for x
    x = 6.88/1.54
  6. Step 6: Final answer
    x = 4.47

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.