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Finding the Third Proportional to 5,320 and 14,474

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Solution

The third proportional to 5,320 and 14,474 is: 39,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320 : 14,474 = 14,474 : x
  2. Step 2: Convert to fraction form
    5,320/14,474 = 14,474/x
  3. Step 3: Cross multiply
    5,320x = 14,474 × 14,474
  4. Step 4: Simplify right side
    5,320x = 209,496,676
  5. Step 5: Solve for x
    x = 209,496,676/5,320
  6. Step 6: Final answer
    x = 39,379.07

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.