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Finding the Third Proportional to 61,055 and 126,787

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Solution

The third proportional to 61,055 and 126,787 is: 263,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,055 : 126,787 = 126,787 : x
  2. Step 2: Convert to fraction form
    61,055/126,787 = 126,787/x
  3. Step 3: Cross multiply
    61,055x = 126,787 × 126,787
  4. Step 4: Simplify right side
    61,055x = 16,074,943,369
  5. Step 5: Solve for x
    x = 16,074,943,369/61,055
  6. Step 6: Final answer
    x = 263,286.27

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.