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Finding the Third Proportional to 11,148 and 19,822

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Solution

The third proportional to 11,148 and 19,822 is: 35,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148 : 19,822 = 19,822 : x
  2. Step 2: Convert to fraction form
    11,148/19,822 = 19,822/x
  3. Step 3: Cross multiply
    11,148x = 19,822 × 19,822
  4. Step 4: Simplify right side
    11,148x = 392,911,684
  5. Step 5: Solve for x
    x = 392,911,684/11,148
  6. Step 6: Final answer
    x = 35,245.04

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.