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Finding the Third Proportional to 13,712.50 and 20,049

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Solution

The third proportional to 13,712.50 and 20,049 is: 29,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.50 : 20,049 = 20,049 : x
  2. Step 2: Convert to fraction form
    13,712.50/20,049 = 20,049/x
  3. Step 3: Cross multiply
    13,712.50x = 20,049 × 20,049
  4. Step 4: Simplify right side
    13,712.50x = 401,962,401
  5. Step 5: Solve for x
    x = 401,962,401/13,712.50
  6. Step 6: Final answer
    x = 29,313.58

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.