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Finding the Third Proportional to 9,692 and 21,348

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Solution

The third proportional to 9,692 and 21,348 is: 47,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692 : 21,348 = 21,348 : x
  2. Step 2: Convert to fraction form
    9,692/21,348 = 21,348/x
  3. Step 3: Cross multiply
    9,692x = 21,348 × 21,348
  4. Step 4: Simplify right side
    9,692x = 455,737,104
  5. Step 5: Solve for x
    x = 455,737,104/9,692
  6. Step 6: Final answer
    x = 47,021.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.