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Finding the Third Proportional to 73.88 and 113.73

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Solution

The third proportional to 73.88 and 113.73 is: 175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.88 : 113.73 = 113.73 : x
  2. Step 2: Convert to fraction form
    73.88/113.73 = 113.73/x
  3. Step 3: Cross multiply
    73.88x = 113.73 × 113.73
  4. Step 4: Simplify right side
    73.88x = 12,934.12
  5. Step 5: Solve for x
    x = 12,934.12/73.88
  6. Step 6: Final answer
    x = 175.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.