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Finding the Third Proportional to 5,805 and 12,723

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Solution

The third proportional to 5,805 and 12,723 is: 27,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805 : 12,723 = 12,723 : x
  2. Step 2: Convert to fraction form
    5,805/12,723 = 12,723/x
  3. Step 3: Cross multiply
    5,805x = 12,723 × 12,723
  4. Step 4: Simplify right side
    5,805x = 161,874,729
  5. Step 5: Solve for x
    x = 161,874,729/5,805
  6. Step 6: Final answer
    x = 27,885.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.