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Finding the Third Proportional to 13,556 and 28,867

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Solution

The third proportional to 13,556 and 28,867 is: 61,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556 : 28,867 = 28,867 : x
  2. Step 2: Convert to fraction form
    13,556/28,867 = 28,867/x
  3. Step 3: Cross multiply
    13,556x = 28,867 × 28,867
  4. Step 4: Simplify right side
    13,556x = 833,303,689
  5. Step 5: Solve for x
    x = 833,303,689/13,556
  6. Step 6: Final answer
    x = 61,471.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.