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Finding the Third Proportional to 5,823 and 8,909

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Solution

The third proportional to 5,823 and 8,909 is: 13,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823 : 8,909 = 8,909 : x
  2. Step 2: Convert to fraction form
    5,823/8,909 = 8,909/x
  3. Step 3: Cross multiply
    5,823x = 8,909 × 8,909
  4. Step 4: Simplify right side
    5,823x = 79,370,281
  5. Step 5: Solve for x
    x = 79,370,281/5,823
  6. Step 6: Final answer
    x = 13,630.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.