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Finding the Third Proportional to 15,190 and 22,279

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Solution

The third proportional to 15,190 and 22,279 is: 32,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190 : 22,279 = 22,279 : x
  2. Step 2: Convert to fraction form
    15,190/22,279 = 22,279/x
  3. Step 3: Cross multiply
    15,190x = 22,279 × 22,279
  4. Step 4: Simplify right side
    15,190x = 496,353,841
  5. Step 5: Solve for x
    x = 496,353,841/15,190
  6. Step 6: Final answer
    x = 32,676.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.