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Finding the Third Proportional to 49,420 and 107,576

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Solution

The third proportional to 49,420 and 107,576 is: 234,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420 : 107,576 = 107,576 : x
  2. Step 2: Convert to fraction form
    49,420/107,576 = 107,576/x
  3. Step 3: Cross multiply
    49,420x = 107,576 × 107,576
  4. Step 4: Simplify right side
    49,420x = 11,572,595,776
  5. Step 5: Solve for x
    x = 11,572,595,776/49,420
  6. Step 6: Final answer
    x = 234,168.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.