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Finding the Third Proportional to 49,902 and 106,720

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Solution

The third proportional to 49,902 and 106,720 is: 228,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902 : 106,720 = 106,720 : x
  2. Step 2: Convert to fraction form
    49,902/106,720 = 106,720/x
  3. Step 3: Cross multiply
    49,902x = 106,720 × 106,720
  4. Step 4: Simplify right side
    49,902x = 11,389,158,400
  5. Step 5: Solve for x
    x = 11,389,158,400/49,902
  6. Step 6: Final answer
    x = 228,230.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.