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Finding the Third Proportional to 30,900 and 46,227

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Solution

The third proportional to 30,900 and 46,227 is: 69,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900 : 46,227 = 46,227 : x
  2. Step 2: Convert to fraction form
    30,900/46,227 = 46,227/x
  3. Step 3: Cross multiply
    30,900x = 46,227 × 46,227
  4. Step 4: Simplify right side
    30,900x = 2,136,935,529
  5. Step 5: Solve for x
    x = 2,136,935,529/30,900
  6. Step 6: Final answer
    x = 69,156.49

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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.