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Finding the Third Proportional to 49,512 and 106,915

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Solution

The third proportional to 49,512 and 106,915 is: 230,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512 : 106,915 = 106,915 : x
  2. Step 2: Convert to fraction form
    49,512/106,915 = 106,915/x
  3. Step 3: Cross multiply
    49,512x = 106,915 × 106,915
  4. Step 4: Simplify right side
    49,512x = 11,430,817,225
  5. Step 5: Solve for x
    x = 11,430,817,225/49,512
  6. Step 6: Final answer
    x = 230,869.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.