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Finding the Third Proportional to 7.37 and 9.75

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Solution

The third proportional to 7.37 and 9.75 is: 12.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.37 : 9.75 = 9.75 : x
  2. Step 2: Convert to fraction form
    7.37/9.75 = 9.75/x
  3. Step 3: Cross multiply
    7.37x = 9.75 × 9.75
  4. Step 4: Simplify right side
    7.37x = 95.12
  5. Step 5: Solve for x
    x = 95.12/7.37
  6. Step 6: Final answer
    x = 12.91

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.