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Finding the Third Proportional to 47.88 and 88.75

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Solution

The third proportional to 47.88 and 88.75 is: 164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.88 : 88.75 = 88.75 : x
  2. Step 2: Convert to fraction form
    47.88/88.75 = 88.75/x
  3. Step 3: Cross multiply
    47.88x = 88.75 × 88.75
  4. Step 4: Simplify right side
    47.88x = 7,876.56
  5. Step 5: Solve for x
    x = 7,876.56/47.88
  6. Step 6: Final answer
    x = 164.52

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.