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Finding the Third Proportional to 48,170 and 103,509

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Solution

The third proportional to 48,170 and 103,509 is: 222,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,170 : 103,509 = 103,509 : x
  2. Step 2: Convert to fraction form
    48,170/103,509 = 103,509/x
  3. Step 3: Cross multiply
    48,170x = 103,509 × 103,509
  4. Step 4: Simplify right side
    48,170x = 10,714,113,081
  5. Step 5: Solve for x
    x = 10,714,113,081/48,170
  6. Step 6: Final answer
    x = 222,422.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.