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Finding the Third Proportional to 6,528 and 8,856

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Solution

The third proportional to 6,528 and 8,856 is: 12,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528 : 8,856 = 8,856 : x
  2. Step 2: Convert to fraction form
    6,528/8,856 = 8,856/x
  3. Step 3: Cross multiply
    6,528x = 8,856 × 8,856
  4. Step 4: Simplify right side
    6,528x = 78,428,736
  5. Step 5: Solve for x
    x = 78,428,736/6,528
  6. Step 6: Final answer
    x = 12,014.21

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.