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Finding the Third Proportional to 69,730 and 106,227

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Solution

The third proportional to 69,730 and 106,227 is: 161,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,730 : 106,227 = 106,227 : x
  2. Step 2: Convert to fraction form
    69,730/106,227 = 106,227/x
  3. Step 3: Cross multiply
    69,730x = 106,227 × 106,227
  4. Step 4: Simplify right side
    69,730x = 11,284,175,529
  5. Step 5: Solve for x
    x = 11,284,175,529/69,730
  6. Step 6: Final answer
    x = 161,826.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.