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Finding the Third Proportional to 126,993 and 279,051

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Solution

The third proportional to 126,993 and 279,051 is: 613,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,993 : 279,051 = 279,051 : x
  2. Step 2: Convert to fraction form
    126,993/279,051 = 279,051/x
  3. Step 3: Cross multiply
    126,993x = 279,051 × 279,051
  4. Step 4: Simplify right side
    126,993x = 77,869,460,601
  5. Step 5: Solve for x
    x = 77,869,460,601/126,993
  6. Step 6: Final answer
    x = 613,179.16

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.