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Finding the Third Proportional to 10,660 and 19,472

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Solution

The third proportional to 10,660 and 19,472 is: 35,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660 : 19,472 = 19,472 : x
  2. Step 2: Convert to fraction form
    10,660/19,472 = 19,472/x
  3. Step 3: Cross multiply
    10,660x = 19,472 × 19,472
  4. Step 4: Simplify right side
    10,660x = 379,158,784
  5. Step 5: Solve for x
    x = 379,158,784/10,660
  6. Step 6: Final answer
    x = 35,568.37

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.