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Finding the Third Proportional to 5,473 and 12,621

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Solution

The third proportional to 5,473 and 12,621 is: 29,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473 : 12,621 = 12,621 : x
  2. Step 2: Convert to fraction form
    5,473/12,621 = 12,621/x
  3. Step 3: Cross multiply
    5,473x = 12,621 × 12,621
  4. Step 4: Simplify right side
    5,473x = 159,289,641
  5. Step 5: Solve for x
    x = 159,289,641/5,473
  6. Step 6: Final answer
    x = 29,104.63

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.