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Finding the Third Proportional to 12,153 and 17,379

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Solution

The third proportional to 12,153 and 17,379 is: 24,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153 : 17,379 = 17,379 : x
  2. Step 2: Convert to fraction form
    12,153/17,379 = 17,379/x
  3. Step 3: Cross multiply
    12,153x = 17,379 × 17,379
  4. Step 4: Simplify right side
    12,153x = 302,029,641
  5. Step 5: Solve for x
    x = 302,029,641/12,153
  6. Step 6: Final answer
    x = 24,852.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.