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Finding the Third Proportional to 48,780 and 109,272

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Solution

The third proportional to 48,780 and 109,272 is: 244,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780 : 109,272 = 109,272 : x
  2. Step 2: Convert to fraction form
    48,780/109,272 = 109,272/x
  3. Step 3: Cross multiply
    48,780x = 109,272 × 109,272
  4. Step 4: Simplify right side
    48,780x = 11,940,369,984
  5. Step 5: Solve for x
    x = 11,940,369,984/48,780
  6. Step 6: Final answer
    x = 244,780.03

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.