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Finding the Third Proportional to 10,408.25 and 15,871.75

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Solution

The third proportional to 10,408.25 and 15,871.75 is: 24,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.25 : 15,871.75 = 15,871.75 : x
  2. Step 2: Convert to fraction form
    10,408.25/15,871.75 = 15,871.75/x
  3. Step 3: Cross multiply
    10,408.25x = 15,871.75 × 15,871.75
  4. Step 4: Simplify right side
    10,408.25x = 251,912,448.06
  5. Step 5: Solve for x
    x = 251,912,448.06/10,408.25
  6. Step 6: Final answer
    x = 24,203.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.