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Finding the Third Proportional to 56,917 and 82,228.50

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Solution

The third proportional to 56,917 and 82,228.50 is: 118,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917 : 82,228.50 = 82,228.50 : x
  2. Step 2: Convert to fraction form
    56,917/82,228.50 = 82,228.50/x
  3. Step 3: Cross multiply
    56,917x = 82,228.50 × 82,228.50
  4. Step 4: Simplify right side
    56,917x = 6,761,526,212.25
  5. Step 5: Solve for x
    x = 6,761,526,212.25/56,917
  6. Step 6: Final answer
    x = 118,796.25

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.