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Finding the Third Proportional to 51,712 and 82,016

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Solution

The third proportional to 51,712 and 82,016 is: 130,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712 : 82,016 = 82,016 : x
  2. Step 2: Convert to fraction form
    51,712/82,016 = 82,016/x
  3. Step 3: Cross multiply
    51,712x = 82,016 × 82,016
  4. Step 4: Simplify right side
    51,712x = 6,726,624,256
  5. Step 5: Solve for x
    x = 6,726,624,256/51,712
  6. Step 6: Final answer
    x = 130,078.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.