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Finding the Third Proportional to 64,276.75 and 139,610.25

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Solution

The third proportional to 64,276.75 and 139,610.25 is: 303,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,276.75 : 139,610.25 = 139,610.25 : x
  2. Step 2: Convert to fraction form
    64,276.75/139,610.25 = 139,610.25/x
  3. Step 3: Cross multiply
    64,276.75x = 139,610.25 × 139,610.25
  4. Step 4: Simplify right side
    64,276.75x = 19,491,021,905.06
  5. Step 5: Solve for x
    x = 19,491,021,905.06/64,276.75
  6. Step 6: Final answer
    x = 303,235.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.