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Finding the Third Proportional to 76,966 and 115,673

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Solution

The third proportional to 76,966 and 115,673 is: 173,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,966 : 115,673 = 115,673 : x
  2. Step 2: Convert to fraction form
    76,966/115,673 = 115,673/x
  3. Step 3: Cross multiply
    76,966x = 115,673 × 115,673
  4. Step 4: Simplify right side
    76,966x = 13,380,242,929
  5. Step 5: Solve for x
    x = 13,380,242,929/76,966
  6. Step 6: Final answer
    x = 173,846.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.