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Finding the Third Proportional to 11,479.50 and 17,718.75

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Solution

The third proportional to 11,479.50 and 17,718.75 is: 27,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.50 : 17,718.75 = 17,718.75 : x
  2. Step 2: Convert to fraction form
    11,479.50/17,718.75 = 17,718.75/x
  3. Step 3: Cross multiply
    11,479.50x = 17,718.75 × 17,718.75
  4. Step 4: Simplify right side
    11,479.50x = 313,954,101.56
  5. Step 5: Solve for x
    x = 313,954,101.56/11,479.50
  6. Step 6: Final answer
    x = 27,349.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.