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Finding the Third Proportional to 5,718 and 12,549

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Solution

The third proportional to 5,718 and 12,549 is: 27,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718 : 12,549 = 12,549 : x
  2. Step 2: Convert to fraction form
    5,718/12,549 = 12,549/x
  3. Step 3: Cross multiply
    5,718x = 12,549 × 12,549
  4. Step 4: Simplify right side
    5,718x = 157,477,401
  5. Step 5: Solve for x
    x = 157,477,401/5,718
  6. Step 6: Final answer
    x = 27,540.64

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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.