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Finding the Third Proportional to 22,378 and 49,130

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Solution

The third proportional to 22,378 and 49,130 is: 107,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378 : 49,130 = 49,130 : x
  2. Step 2: Convert to fraction form
    22,378/49,130 = 49,130/x
  3. Step 3: Cross multiply
    22,378x = 49,130 × 49,130
  4. Step 4: Simplify right side
    22,378x = 2,413,756,900
  5. Step 5: Solve for x
    x = 2,413,756,900/22,378
  6. Step 6: Final answer
    x = 107,862.94

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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.