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Finding the Third Proportional to 3,487 and 7,634

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Solution

The third proportional to 3,487 and 7,634 is: 16,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487 : 7,634 = 7,634 : x
  2. Step 2: Convert to fraction form
    3,487/7,634 = 7,634/x
  3. Step 3: Cross multiply
    3,487x = 7,634 × 7,634
  4. Step 4: Simplify right side
    3,487x = 58,277,956
  5. Step 5: Solve for x
    x = 58,277,956/3,487
  6. Step 6: Final answer
    x = 16,712.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.