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Finding the Third Proportional to 8,954 and 13,666

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Solution

The third proportional to 8,954 and 13,666 is: 20,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954 : 13,666 = 13,666 : x
  2. Step 2: Convert to fraction form
    8,954/13,666 = 13,666/x
  3. Step 3: Cross multiply
    8,954x = 13,666 × 13,666
  4. Step 4: Simplify right side
    8,954x = 186,759,556
  5. Step 5: Solve for x
    x = 186,759,556/8,954
  6. Step 6: Final answer
    x = 20,857.67

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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.