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Finding the Third Proportional to 13,561.75 and 29,379

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Solution

The third proportional to 13,561.75 and 29,379 is: 63,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.75 : 29,379 = 29,379 : x
  2. Step 2: Convert to fraction form
    13,561.75/29,379 = 29,379/x
  3. Step 3: Cross multiply
    13,561.75x = 29,379 × 29,379
  4. Step 4: Simplify right side
    13,561.75x = 863,125,641
  5. Step 5: Solve for x
    x = 863,125,641/13,561.75
  6. Step 6: Final answer
    x = 63,644.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.