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Finding the Third Proportional to 12,282 and 17,391

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Solution

The third proportional to 12,282 and 17,391 is: 24,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282 : 17,391 = 17,391 : x
  2. Step 2: Convert to fraction form
    12,282/17,391 = 17,391/x
  3. Step 3: Cross multiply
    12,282x = 17,391 × 17,391
  4. Step 4: Simplify right side
    12,282x = 302,446,881
  5. Step 5: Solve for x
    x = 302,446,881/12,282
  6. Step 6: Final answer
    x = 24,625.21

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.