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Finding the Third Proportional to 49,380 and 106,800

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Solution

The third proportional to 49,380 and 106,800 is: 230,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380 : 106,800 = 106,800 : x
  2. Step 2: Convert to fraction form
    49,380/106,800 = 106,800/x
  3. Step 3: Cross multiply
    49,380x = 106,800 × 106,800
  4. Step 4: Simplify right side
    49,380x = 11,406,240,000
  5. Step 5: Solve for x
    x = 11,406,240,000/49,380
  6. Step 6: Final answer
    x = 230,989.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.