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Finding the Third Proportional to 8,871 and 19,425

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Solution

The third proportional to 8,871 and 19,425 is: 42,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871 : 19,425 = 19,425 : x
  2. Step 2: Convert to fraction form
    8,871/19,425 = 19,425/x
  3. Step 3: Cross multiply
    8,871x = 19,425 × 19,425
  4. Step 4: Simplify right side
    8,871x = 377,330,625
  5. Step 5: Solve for x
    x = 377,330,625/8,871
  6. Step 6: Final answer
    x = 42,535.30

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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.