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Finding the Third Proportional to 47.25 and 101.53

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Solution

The third proportional to 47.25 and 101.53 is: 218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.25 : 101.53 = 101.53 : x
  2. Step 2: Convert to fraction form
    47.25/101.53 = 101.53/x
  3. Step 3: Cross multiply
    47.25x = 101.53 × 101.53
  4. Step 4: Simplify right side
    47.25x = 10,308.59
  5. Step 5: Solve for x
    x = 10,308.59/47.25
  6. Step 6: Final answer
    x = 218.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.