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Finding the Third Proportional to 5,776 and 8,126

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Solution

The third proportional to 5,776 and 8,126 is: 11,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776 : 8,126 = 8,126 : x
  2. Step 2: Convert to fraction form
    5,776/8,126 = 8,126/x
  3. Step 3: Cross multiply
    5,776x = 8,126 × 8,126
  4. Step 4: Simplify right side
    5,776x = 66,031,876
  5. Step 5: Solve for x
    x = 66,031,876/5,776
  6. Step 6: Final answer
    x = 11,432.11

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.