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Finding the Third Proportional to 11,421 and 23,154

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Solution

The third proportional to 11,421 and 23,154 is: 46,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421 : 23,154 = 23,154 : x
  2. Step 2: Convert to fraction form
    11,421/23,154 = 23,154/x
  3. Step 3: Cross multiply
    11,421x = 23,154 × 23,154
  4. Step 4: Simplify right side
    11,421x = 536,107,716
  5. Step 5: Solve for x
    x = 536,107,716/11,421
  6. Step 6: Final answer
    x = 46,940.52

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.