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Finding the Third Proportional to 9,149.63 and 13,682.25

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Solution

The third proportional to 9,149.63 and 13,682.25 is: 20,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.63 : 13,682.25 = 13,682.25 : x
  2. Step 2: Convert to fraction form
    9,149.63/13,682.25 = 13,682.25/x
  3. Step 3: Cross multiply
    9,149.63x = 13,682.25 × 13,682.25
  4. Step 4: Simplify right side
    9,149.63x = 187,203,965.06
  5. Step 5: Solve for x
    x = 187,203,965.06/9,149.63
  6. Step 6: Final answer
    x = 20,460.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.