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Finding the Third Proportional to 9,447 and 20,559

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Solution

The third proportional to 9,447 and 20,559 is: 44,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447 : 20,559 = 20,559 : x
  2. Step 2: Convert to fraction form
    9,447/20,559 = 20,559/x
  3. Step 3: Cross multiply
    9,447x = 20,559 × 20,559
  4. Step 4: Simplify right side
    9,447x = 422,672,481
  5. Step 5: Solve for x
    x = 422,672,481/9,447
  6. Step 6: Final answer
    x = 44,741.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.