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Finding the Third Proportional to 64,212.75 and 104,155.88

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Solution

The third proportional to 64,212.75 and 104,155.88 is: 168,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.75 : 104,155.88 = 104,155.88 : x
  2. Step 2: Convert to fraction form
    64,212.75/104,155.88 = 104,155.88/x
  3. Step 3: Cross multiply
    64,212.75x = 104,155.88 × 104,155.88
  4. Step 4: Simplify right side
    64,212.75x = 10,848,446,297.02
  5. Step 5: Solve for x
    x = 10,848,446,297.02/64,212.75
  6. Step 6: Final answer
    x = 168,945.36

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.