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Finding the Third Proportional to 37.13 and 73.75

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Solution

The third proportional to 37.13 and 73.75 is: 146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.13 : 73.75 = 73.75 : x
  2. Step 2: Convert to fraction form
    37.13/73.75 = 73.75/x
  3. Step 3: Cross multiply
    37.13x = 73.75 × 73.75
  4. Step 4: Simplify right side
    37.13x = 5,439.06
  5. Step 5: Solve for x
    x = 5,439.06/37.13
  6. Step 6: Final answer
    x = 146.51

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.