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Finding the Third Proportional to 19,511 and 30,267

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Solution

The third proportional to 19,511 and 30,267 is: 46,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511 : 30,267 = 30,267 : x
  2. Step 2: Convert to fraction form
    19,511/30,267 = 30,267/x
  3. Step 3: Cross multiply
    19,511x = 30,267 × 30,267
  4. Step 4: Simplify right side
    19,511x = 916,091,289
  5. Step 5: Solve for x
    x = 916,091,289/19,511
  6. Step 6: Final answer
    x = 46,952.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.