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Finding the Third Proportional to 22,389 and 49,230

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Solution

The third proportional to 22,389 and 49,230 is: 108,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389 : 49,230 = 49,230 : x
  2. Step 2: Convert to fraction form
    22,389/49,230 = 49,230/x
  3. Step 3: Cross multiply
    22,389x = 49,230 × 49,230
  4. Step 4: Simplify right side
    22,389x = 2,423,592,900
  5. Step 5: Solve for x
    x = 2,423,592,900/22,389
  6. Step 6: Final answer
    x = 108,249.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.