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Finding the Third Proportional to 11,136 and 15,568

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Solution

The third proportional to 11,136 and 15,568 is: 21,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136 : 15,568 = 15,568 : x
  2. Step 2: Convert to fraction form
    11,136/15,568 = 15,568/x
  3. Step 3: Cross multiply
    11,136x = 15,568 × 15,568
  4. Step 4: Simplify right side
    11,136x = 242,362,624
  5. Step 5: Solve for x
    x = 242,362,624/11,136
  6. Step 6: Final answer
    x = 21,763.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.