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Finding the Third Proportional to 43,858 and 99,439

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Solution

The third proportional to 43,858 and 99,439 is: 225,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858 : 99,439 = 99,439 : x
  2. Step 2: Convert to fraction form
    43,858/99,439 = 99,439/x
  3. Step 3: Cross multiply
    43,858x = 99,439 × 99,439
  4. Step 4: Simplify right side
    43,858x = 9,888,114,721
  5. Step 5: Solve for x
    x = 9,888,114,721/43,858
  6. Step 6: Final answer
    x = 225,457.49

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.