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Finding the Third Proportional to 8,558 and 11,534

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Solution

The third proportional to 8,558 and 11,534 is: 15,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558 : 11,534 = 11,534 : x
  2. Step 2: Convert to fraction form
    8,558/11,534 = 11,534/x
  3. Step 3: Cross multiply
    8,558x = 11,534 × 11,534
  4. Step 4: Simplify right side
    8,558x = 133,033,156
  5. Step 5: Solve for x
    x = 133,033,156/8,558
  6. Step 6: Final answer
    x = 15,544.89

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.