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Finding the Third Proportional to 61,930 and 131,852

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Solution

The third proportional to 61,930 and 131,852 is: 280,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930 : 131,852 = 131,852 : x
  2. Step 2: Convert to fraction form
    61,930/131,852 = 131,852/x
  3. Step 3: Cross multiply
    61,930x = 131,852 × 131,852
  4. Step 4: Simplify right side
    61,930x = 17,384,949,904
  5. Step 5: Solve for x
    x = 17,384,949,904/61,930
  6. Step 6: Final answer
    x = 280,719.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.