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Finding the Third Proportional to 5,666 and 8,579

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Solution

The third proportional to 5,666 and 8,579 is: 12,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666 : 8,579 = 8,579 : x
  2. Step 2: Convert to fraction form
    5,666/8,579 = 8,579/x
  3. Step 3: Cross multiply
    5,666x = 8,579 × 8,579
  4. Step 4: Simplify right side
    5,666x = 73,599,241
  5. Step 5: Solve for x
    x = 73,599,241/5,666
  6. Step 6: Final answer
    x = 12,989.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.