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Finding the Third Proportional to 56,979 and 117,600.75

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Solution

The third proportional to 56,979 and 117,600.75 is: 242,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979 : 117,600.75 = 117,600.75 : x
  2. Step 2: Convert to fraction form
    56,979/117,600.75 = 117,600.75/x
  3. Step 3: Cross multiply
    56,979x = 117,600.75 × 117,600.75
  4. Step 4: Simplify right side
    56,979x = 13,829,936,400.56
  5. Step 5: Solve for x
    x = 13,829,936,400.56/56,979
  6. Step 6: Final answer
    x = 242,719.89

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.