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Finding the Third Proportional to 99,706 and 219,652

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Solution

The third proportional to 99,706 and 219,652 is: 483,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706 : 219,652 = 219,652 : x
  2. Step 2: Convert to fraction form
    99,706/219,652 = 219,652/x
  3. Step 3: Cross multiply
    99,706x = 219,652 × 219,652
  4. Step 4: Simplify right side
    99,706x = 48,247,001,104
  5. Step 5: Solve for x
    x = 48,247,001,104/99,706
  6. Step 6: Final answer
    x = 483,892.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.