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Finding the Third Proportional to 6,826 and 8,862

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Solution

The third proportional to 6,826 and 8,862 is: 11,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826 : 8,862 = 8,862 : x
  2. Step 2: Convert to fraction form
    6,826/8,862 = 8,862/x
  3. Step 3: Cross multiply
    6,826x = 8,862 × 8,862
  4. Step 4: Simplify right side
    6,826x = 78,535,044
  5. Step 5: Solve for x
    x = 78,535,044/6,826
  6. Step 6: Final answer
    x = 11,505.28

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.