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Finding the Third Proportional to 61,629 and 133,098

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Solution

The third proportional to 61,629 and 133,098 is: 287,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,629 : 133,098 = 133,098 : x
  2. Step 2: Convert to fraction form
    61,629/133,098 = 133,098/x
  3. Step 3: Cross multiply
    61,629x = 133,098 × 133,098
  4. Step 4: Simplify right side
    61,629x = 17,715,077,604
  5. Step 5: Solve for x
    x = 17,715,077,604/61,629
  6. Step 6: Final answer
    x = 287,447.10

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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.