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Finding the Third Proportional to 26,474 and 56,787

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Solution

The third proportional to 26,474 and 56,787 is: 121,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474 : 56,787 = 56,787 : x
  2. Step 2: Convert to fraction form
    26,474/56,787 = 56,787/x
  3. Step 3: Cross multiply
    26,474x = 56,787 × 56,787
  4. Step 4: Simplify right side
    26,474x = 3,224,763,369
  5. Step 5: Solve for x
    x = 3,224,763,369/26,474
  6. Step 6: Final answer
    x = 121,808.69

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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.