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Finding the Third Proportional to 103,629 and 157,469

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Solution

The third proportional to 103,629 and 157,469 is: 239,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629 : 157,469 = 157,469 : x
  2. Step 2: Convert to fraction form
    103,629/157,469 = 157,469/x
  3. Step 3: Cross multiply
    103,629x = 157,469 × 157,469
  4. Step 4: Simplify right side
    103,629x = 24,796,485,961
  5. Step 5: Solve for x
    x = 24,796,485,961/103,629
  6. Step 6: Final answer
    x = 239,281.34

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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.