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Finding the Third Proportional to 11,080 and 15,666

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Solution

The third proportional to 11,080 and 15,666 is: 22,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080 : 15,666 = 15,666 : x
  2. Step 2: Convert to fraction form
    11,080/15,666 = 15,666/x
  3. Step 3: Cross multiply
    11,080x = 15,666 × 15,666
  4. Step 4: Simplify right side
    11,080x = 245,423,556
  5. Step 5: Solve for x
    x = 245,423,556/11,080
  6. Step 6: Final answer
    x = 22,150.14

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.