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Finding the Third Proportional to 11,262 and 15,939

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Solution

The third proportional to 11,262 and 15,939 is: 22,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262 : 15,939 = 15,939 : x
  2. Step 2: Convert to fraction form
    11,262/15,939 = 15,939/x
  3. Step 3: Cross multiply
    11,262x = 15,939 × 15,939
  4. Step 4: Simplify right side
    11,262x = 254,051,721
  5. Step 5: Solve for x
    x = 254,051,721/11,262
  6. Step 6: Final answer
    x = 22,558.31

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.