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Finding the Third Proportional to 9,490 and 14,379

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Solution

The third proportional to 9,490 and 14,379 is: 21,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490 : 14,379 = 14,379 : x
  2. Step 2: Convert to fraction form
    9,490/14,379 = 14,379/x
  3. Step 3: Cross multiply
    9,490x = 14,379 × 14,379
  4. Step 4: Simplify right side
    9,490x = 206,755,641
  5. Step 5: Solve for x
    x = 206,755,641/9,490
  6. Step 6: Final answer
    x = 21,786.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.