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Finding the Third Proportional to 48,390 and 106,338

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Solution

The third proportional to 48,390 and 106,338 is: 233,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390 : 106,338 = 106,338 : x
  2. Step 2: Convert to fraction form
    48,390/106,338 = 106,338/x
  3. Step 3: Cross multiply
    48,390x = 106,338 × 106,338
  4. Step 4: Simplify right side
    48,390x = 11,307,770,244
  5. Step 5: Solve for x
    x = 11,307,770,244/48,390
  6. Step 6: Final answer
    x = 233,679.90

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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.