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Finding the Third Proportional to 31.04 and 46.51

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Solution

The third proportional to 31.04 and 46.51 is: 69.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.04 : 46.51 = 46.51 : x
  2. Step 2: Convert to fraction form
    31.04/46.51 = 46.51/x
  3. Step 3: Cross multiply
    31.04x = 46.51 × 46.51
  4. Step 4: Simplify right side
    31.04x = 2,163.34
  5. Step 5: Solve for x
    x = 2,163.34/31.04
  6. Step 6: Final answer
    x = 69.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.