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Finding the Third Proportional to 11,159.25 and 15,864.75

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Solution

The third proportional to 11,159.25 and 15,864.75 is: 22,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.25 : 15,864.75 = 15,864.75 : x
  2. Step 2: Convert to fraction form
    11,159.25/15,864.75 = 15,864.75/x
  3. Step 3: Cross multiply
    11,159.25x = 15,864.75 × 15,864.75
  4. Step 4: Simplify right side
    11,159.25x = 251,690,292.56
  5. Step 5: Solve for x
    x = 251,690,292.56/11,159.25
  6. Step 6: Final answer
    x = 22,554.41

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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.