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Finding the Third Proportional to 45,624 and 68,247

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Solution

The third proportional to 45,624 and 68,247 is: 102,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624 : 68,247 = 68,247 : x
  2. Step 2: Convert to fraction form
    45,624/68,247 = 68,247/x
  3. Step 3: Cross multiply
    45,624x = 68,247 × 68,247
  4. Step 4: Simplify right side
    45,624x = 4,657,653,009
  5. Step 5: Solve for x
    x = 4,657,653,009/45,624
  6. Step 6: Final answer
    x = 102,087.78

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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.