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Finding the Third Proportional to 35,724 and 68,204

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Solution

The third proportional to 35,724 and 68,204 is: 130,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724 : 68,204 = 68,204 : x
  2. Step 2: Convert to fraction form
    35,724/68,204 = 68,204/x
  3. Step 3: Cross multiply
    35,724x = 68,204 × 68,204
  4. Step 4: Simplify right side
    35,724x = 4,651,785,616
  5. Step 5: Solve for x
    x = 4,651,785,616/35,724
  6. Step 6: Final answer
    x = 130,214.58

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.