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Finding the Third Proportional to 3,724 and 7,664

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Solution

The third proportional to 3,724 and 7,664 is: 15,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724 : 7,664 = 7,664 : x
  2. Step 2: Convert to fraction form
    3,724/7,664 = 7,664/x
  3. Step 3: Cross multiply
    3,724x = 7,664 × 7,664
  4. Step 4: Simplify right side
    3,724x = 58,736,896
  5. Step 5: Solve for x
    x = 58,736,896/3,724
  6. Step 6: Final answer
    x = 15,772.53

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.