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Finding the Third Proportional to 26,740 and 56,920

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Solution

The third proportional to 26,740 and 56,920 is: 121,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740 : 56,920 = 56,920 : x
  2. Step 2: Convert to fraction form
    26,740/56,920 = 56,920/x
  3. Step 3: Cross multiply
    26,740x = 56,920 × 56,920
  4. Step 4: Simplify right side
    26,740x = 3,239,886,400
  5. Step 5: Solve for x
    x = 3,239,886,400/26,740
  6. Step 6: Final answer
    x = 121,162.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.