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Finding the Third Proportional to 10,640 and 22,567

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Solution

The third proportional to 10,640 and 22,567 is: 47,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640 : 22,567 = 22,567 : x
  2. Step 2: Convert to fraction form
    10,640/22,567 = 22,567/x
  3. Step 3: Cross multiply
    10,640x = 22,567 × 22,567
  4. Step 4: Simplify right side
    10,640x = 509,269,489
  5. Step 5: Solve for x
    x = 509,269,489/10,640
  6. Step 6: Final answer
    x = 47,863.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.