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Finding the Third Proportional to 10,556 and 15,668

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Solution

The third proportional to 10,556 and 15,668 is: 23,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556 : 15,668 = 15,668 : x
  2. Step 2: Convert to fraction form
    10,556/15,668 = 15,668/x
  3. Step 3: Cross multiply
    10,556x = 15,668 × 15,668
  4. Step 4: Simplify right side
    10,556x = 245,486,224
  5. Step 5: Solve for x
    x = 245,486,224/10,556
  6. Step 6: Final answer
    x = 23,255.61

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.