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Finding the Third Proportional to 7,488 and 10,906

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Solution

The third proportional to 7,488 and 10,906 is: 15,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488 : 10,906 = 10,906 : x
  2. Step 2: Convert to fraction form
    7,488/10,906 = 10,906/x
  3. Step 3: Cross multiply
    7,488x = 10,906 × 10,906
  4. Step 4: Simplify right side
    7,488x = 118,940,836
  5. Step 5: Solve for x
    x = 118,940,836/7,488
  6. Step 6: Final answer
    x = 15,884.19

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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.