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Finding the Third Proportional to 13,767 and 15,549

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Solution

The third proportional to 13,767 and 15,549 is: 17,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767 : 15,549 = 15,549 : x
  2. Step 2: Convert to fraction form
    13,767/15,549 = 15,549/x
  3. Step 3: Cross multiply
    13,767x = 15,549 × 15,549
  4. Step 4: Simplify right side
    13,767x = 241,771,401
  5. Step 5: Solve for x
    x = 241,771,401/13,767
  6. Step 6: Final answer
    x = 17,561.66

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.