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Finding the Third Proportional to 7,056 and 8,163

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Solution

The third proportional to 7,056 and 8,163 is: 9,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056 : 8,163 = 8,163 : x
  2. Step 2: Convert to fraction form
    7,056/8,163 = 8,163/x
  3. Step 3: Cross multiply
    7,056x = 8,163 × 8,163
  4. Step 4: Simplify right side
    7,056x = 66,634,569
  5. Step 5: Solve for x
    x = 66,634,569/7,056
  6. Step 6: Final answer
    x = 9,443.67

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.