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Finding the Third Proportional to 8,885 and 19,559

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Solution

The third proportional to 8,885 and 19,559 is: 43,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885 : 19,559 = 19,559 : x
  2. Step 2: Convert to fraction form
    8,885/19,559 = 19,559/x
  3. Step 3: Cross multiply
    8,885x = 19,559 × 19,559
  4. Step 4: Simplify right side
    8,885x = 382,554,481
  5. Step 5: Solve for x
    x = 382,554,481/8,885
  6. Step 6: Final answer
    x = 43,056.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.