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Finding the Third Proportional to 0.53 and 1.47

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Solution

The third proportional to 0.53 and 1.47 is: 4.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.53 : 1.47 = 1.47 : x
  2. Step 2: Convert to fraction form
    0.53/1.47 = 1.47/x
  3. Step 3: Cross multiply
    0.53x = 1.47 × 1.47
  4. Step 4: Simplify right side
    0.53x = 2.16
  5. Step 5: Solve for x
    x = 2.16/0.53
  6. Step 6: Final answer
    x = 4.04

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Why These Related Problems?

These problems maintain the same ratio (2.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.