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Finding the Third Proportional to 8,476 and 19,810

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Solution

The third proportional to 8,476 and 19,810 is: 46,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476 : 19,810 = 19,810 : x
  2. Step 2: Convert to fraction form
    8,476/19,810 = 19,810/x
  3. Step 3: Cross multiply
    8,476x = 19,810 × 19,810
  4. Step 4: Simplify right side
    8,476x = 392,436,100
  5. Step 5: Solve for x
    x = 392,436,100/8,476
  6. Step 6: Final answer
    x = 46,299.68

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.