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Finding the Third Proportional to 64,206 and 100,851

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Solution

The third proportional to 64,206 and 100,851 is: 158,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,206 : 100,851 = 100,851 : x
  2. Step 2: Convert to fraction form
    64,206/100,851 = 100,851/x
  3. Step 3: Cross multiply
    64,206x = 100,851 × 100,851
  4. Step 4: Simplify right side
    64,206x = 10,170,924,201
  5. Step 5: Solve for x
    x = 10,170,924,201/64,206
  6. Step 6: Final answer
    x = 158,410.81

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.